No expert here but some thoughts as my pond is 5 arces too.

Noticed last year with one feeder on pond fish were largest about 40 feet either side of feeder. Actually the largest LMB are directly in front up next to feeder. Then out another 40 feet they were smaller yet larger than further down shore line. After 100 foot the fish were same size in general else where in pond. This observation hold true to distance fish will travel to feeder as read here on this forum few times.

If you take those distances times length of your shoreline well that's a lot of feeders. The cost to feed would be out of sight too and one might be getting into other capacity issues like dissolved oxygen etc..

Someplace in past read one per acre is recommended! What I�ve tried to do this year is identity an area that younger fish are feeding smaller pellets and add two feeders with larger pellets. In general all four sides of pond have a feeder and one of shallow fingers has one.

Probably the more important factor is to feed all size fish in other words get them started young!