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Finding the Fourth Proportional to 5,373.86, 8,059.17 and 2,086.22

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Solution

The fourth proportional to 5,373.86, 8,059.17 and 2,086.22 is: 3,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.86 : 8,059.17 = 2,086.22 : x
  2. Step 2: Convert to fraction form
    5,373.86/8,059.17 = 2,086.22/x
  3. Step 3: Cross multiply
    5,373.86x = 8,059.17 × 2,086.22
  4. Step 4: Simplify right side
    5,373.86x = 16,813,201.64
  5. Step 5: Solve for x
    x = 16,813,201.64/5,373.86
  6. Step 6: Final answer
    x = 3,128.70

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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.