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Finding the Fourth Proportional to 3,651.92, 5,479.67 and 2,264.89

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Solution

The fourth proportional to 3,651.92, 5,479.67 and 2,264.89 is: 3,398.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.92 : 5,479.67 = 2,264.89 : x
  2. Step 2: Convert to fraction form
    3,651.92/5,479.67 = 2,264.89/x
  3. Step 3: Cross multiply
    3,651.92x = 5,479.67 × 2,264.89
  4. Step 4: Simplify right side
    3,651.92x = 12,410,849.79
  5. Step 5: Solve for x
    x = 12,410,849.79/3,651.92
  6. Step 6: Final answer
    x = 3,398.45

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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.