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Finding the Fourth Proportional to 3,498.62, 5,239.31 and 2,262.24

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Solution

The fourth proportional to 3,498.62, 5,239.31 and 2,262.24 is: 3,387.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.62 : 5,239.31 = 2,262.24 : x
  2. Step 2: Convert to fraction form
    3,498.62/5,239.31 = 2,262.24/x
  3. Step 3: Cross multiply
    3,498.62x = 5,239.31 × 2,262.24
  4. Step 4: Simplify right side
    3,498.62x = 11,852,565.34
  5. Step 5: Solve for x
    x = 11,852,565.34/3,498.62
  6. Step 6: Final answer
    x = 3,387.79

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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.