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Finding the Fourth Proportional to 3,831.71, 5,747.55 and 3,350.57

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Solution

The fourth proportional to 3,831.71, 5,747.55 and 3,350.57 is: 5,025.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.71 : 5,747.55 = 3,350.57 : x
  2. Step 2: Convert to fraction form
    3,831.71/5,747.55 = 3,350.57/x
  3. Step 3: Cross multiply
    3,831.71x = 5,747.55 × 3,350.57
  4. Step 4: Simplify right side
    3,831.71x = 19,257,539.87
  5. Step 5: Solve for x
    x = 19,257,539.87/3,831.71
  6. Step 6: Final answer
    x = 5,025.84

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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.