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Finding the Fourth Proportional to 3,792.51, 5,684.10 and 1,711.92

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Solution

The fourth proportional to 3,792.51, 5,684.10 and 1,711.92 is: 2,565.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.51 : 5,684.10 = 1,711.92 : x
  2. Step 2: Convert to fraction form
    3,792.51/5,684.10 = 1,711.92/x
  3. Step 3: Cross multiply
    3,792.51x = 5,684.10 × 1,711.92
  4. Step 4: Simplify right side
    3,792.51x = 9,730,724.47
  5. Step 5: Solve for x
    x = 9,730,724.47/3,792.51
  6. Step 6: Final answer
    x = 2,565.77

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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.