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Finding the Fourth Proportional to 3,968.97, 5,484.41 and 2,644.46

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Solution

The fourth proportional to 3,968.97, 5,484.41 and 2,644.46 is: 3,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.97 : 5,484.41 = 2,644.46 : x
  2. Step 2: Convert to fraction form
    3,968.97/5,484.41 = 2,644.46/x
  3. Step 3: Cross multiply
    3,968.97x = 5,484.41 × 2,644.46
  4. Step 4: Simplify right side
    3,968.97x = 14,503,262.22
  5. Step 5: Solve for x
    x = 14,503,262.22/3,968.97
  6. Step 6: Final answer
    x = 3,654.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.