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Finding the Fourth Proportional to 3,937.93, 5,906.90 and 3,697.36

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Solution

The fourth proportional to 3,937.93, 5,906.90 and 3,697.36 is: 5,546.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,937.93 : 5,906.90 = 3,697.36 : x
  2. Step 2: Convert to fraction form
    3,937.93/5,906.90 = 3,697.36/x
  3. Step 3: Cross multiply
    3,937.93x = 5,906.90 × 3,697.36
  4. Step 4: Simplify right side
    3,937.93x = 21,839,935.78
  5. Step 5: Solve for x
    x = 21,839,935.78/3,937.93
  6. Step 6: Final answer
    x = 5,546.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.