In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Q: [-3.542, 93.04, 1.997, 94.225, -31.353, -87.232, 12.242]
A: 
[-0.045  1.172  0.025  1.187 -0.395 -1.099  0.154]