Hi there,
Thanks for writing in. Traditionally most schools only look at your highest GMAT score, so on principle a 4th attempt should not hurt your chances. Thinking more broadly though, is there a reason to think that this 4th attempt will significantly boost your score -- perhaps you weren't feeling well in the previous attempt or there was an issue at the testing center?At a certain point you may realize that you have maxed out your score and the prep time would pay off more if you focused on your essays/application -- after all GMAT is just one component of the admissions process.
Best of luck!
Daniel Richards
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