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Finding the Fourth Proportional to 3,626.65, 5,002.87 and 2,740.92

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Solution

The fourth proportional to 3,626.65, 5,002.87 and 2,740.92 is: 3,781.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.65 : 5,002.87 = 2,740.92 : x
  2. Step 2: Convert to fraction form
    3,626.65/5,002.87 = 2,740.92/x
  3. Step 3: Cross multiply
    3,626.65x = 5,002.87 × 2,740.92
  4. Step 4: Simplify right side
    3,626.65x = 13,712,466.44
  5. Step 5: Solve for x
    x = 13,712,466.44/3,626.65
  6. Step 6: Final answer
    x = 3,781.03

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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.