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Finding the Fourth Proportional to 5,374.92, 8,059.14 and 2,086.32

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Solution

The fourth proportional to 5,374.92, 8,059.14 and 2,086.32 is: 3,128.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.92 : 8,059.14 = 2,086.32 : x
  2. Step 2: Convert to fraction form
    5,374.92/8,059.14 = 2,086.32/x
  3. Step 3: Cross multiply
    5,374.92x = 8,059.14 × 2,086.32
  4. Step 4: Simplify right side
    5,374.92x = 16,813,944.96
  5. Step 5: Solve for x
    x = 16,813,944.96/5,374.92
  6. Step 6: Final answer
    x = 3,128.22

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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.