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Finding the Fourth Proportional to 2,257.92, 3,387.49 and 798.10

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Solution

The fourth proportional to 2,257.92, 3,387.49 and 798.10 is: 1,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.92 : 3,387.49 = 798.10 : x
  2. Step 2: Convert to fraction form
    2,257.92/3,387.49 = 798.10/x
  3. Step 3: Cross multiply
    2,257.92x = 3,387.49 × 798.10
  4. Step 4: Simplify right side
    2,257.92x = 2,703,545.31
  5. Step 5: Solve for x
    x = 2,703,545.31/2,257.92
  6. Step 6: Final answer
    x = 1,197.36

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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.