Becasue the pot has $3.15 and we are in actuality only betting $4.31 all in vs KK+ with the 44% (43.838%) Pretty much making money here with no FE on a pretty tight range estimation of KK+. We are getting the rest in vs a fish.
Edit: I answered the post you made before you changed it.
betting $4.31 to win $7.46 ($4.31+$3.15)