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: [20.372, 127.548, 103.216, -36.473, -91.503]
A: 
[ 0.165  1.036  0.838 -0.296 -0.743]