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Finding the Fourth Proportional to 5,811.97, 8,712.36 and 3,726.13

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Solution

The fourth proportional to 5,811.97, 8,712.36 and 3,726.13 is: 5,585.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.97 : 8,712.36 = 3,726.13 : x
  2. Step 2: Convert to fraction form
    5,811.97/8,712.36 = 3,726.13/x
  3. Step 3: Cross multiply
    5,811.97x = 8,712.36 × 3,726.13
  4. Step 4: Simplify right side
    5,811.97x = 32,463,385.97
  5. Step 5: Solve for x
    x = 32,463,385.97/5,811.97
  6. Step 6: Final answer
    x = 5,585.61

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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.