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Finding the Fourth Proportional to 5,374.50, 8,059.68 and 2,087.16

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Solution

The fourth proportional to 5,374.50, 8,059.68 and 2,087.16 is: 3,129.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.50 : 8,059.68 = 2,087.16 : x
  2. Step 2: Convert to fraction form
    5,374.50/8,059.68 = 2,087.16/x
  3. Step 3: Cross multiply
    5,374.50x = 8,059.68 × 2,087.16
  4. Step 4: Simplify right side
    5,374.50x = 16,821,841.71
  5. Step 5: Solve for x
    x = 16,821,841.71/5,374.50
  6. Step 6: Final answer
    x = 3,129.94

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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.