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# A song starts with a note tuned to 220 Hz. What is the frequency of the perfect fourth above the given note?

Enter your answer as a whole number, like this: 300

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- derframLv 77 days agoFavorite Answer
220 Hz corresponds to A3. A 'perfect fourth' is the fourth spanning five semitones, which corresponds to D4. D4 is 293.66 Hz.

294

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