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Finding the Fourth Proportional to 5,891.72, 8,132.67 and 3,902.92

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Solution

The fourth proportional to 5,891.72, 8,132.67 and 3,902.92 is: 5,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,891.72 : 8,132.67 = 3,902.92 : x
  2. Step 2: Convert to fraction form
    5,891.72/8,132.67 = 3,902.92/x
  3. Step 3: Cross multiply
    5,891.72x = 8,132.67 × 3,902.92
  4. Step 4: Simplify right side
    5,891.72x = 31,741,140.06
  5. Step 5: Solve for x
    x = 31,741,140.06/5,891.72
  6. Step 6: Final answer
    x = 5,387.41

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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.