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Finding the Fourth Proportional to 3,904.74, 5,859 and 3,892.86

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Solution

The fourth proportional to 3,904.74, 5,859 and 3,892.86 is: 5,841.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.74 : 5,859 = 3,892.86 : x
  2. Step 2: Convert to fraction form
    3,904.74/5,859 = 3,892.86/x
  3. Step 3: Cross multiply
    3,904.74x = 5,859 × 3,892.86
  4. Step 4: Simplify right side
    3,904.74x = 22,808,266.74
  5. Step 5: Solve for x
    x = 22,808,266.74/3,904.74
  6. Step 6: Final answer
    x = 5,841.17

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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.