4 vs 5 decimal places price quotes

Hellow there my people
Hopefull you are fine and well doing…???
I would like to know the advantage of a broker providing prices of currencies in four decimal places like
EURUSD 1.1345
And the ones providing price in five decimal places like
EURUSD 1.13453
What is the dieffernce and which one is the best for trading escpecially when having a small capital like $ 230