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19 June, 23:42

The frequency of F3 is 174.61 Hz. What is the frequency of the note that is a perfect fifth below f3?

A) 43.6525 Hz

B) 87.305 Hz

C) 116.407 Hz

D) 261.915 Hz

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Answers (1)
  1. 19 June, 23:52
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    Notes separated by a perfect 5th have a frequency ratio of 3:2. The note a perfect 5th below f3 will have a frequency of

    174.61 Hz * 2/3 = 116.407 Hz

    The appropriate choice is ...

    C) 116.407 Hz
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