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Finding the Fourth Proportional to 5,059.75, 7,591.97 and 1,938.71

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Solution

The fourth proportional to 5,059.75, 7,591.97 and 1,938.71 is: 2,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.75 : 7,591.97 = 1,938.71 : x
  2. Step 2: Convert to fraction form
    5,059.75/7,591.97 = 1,938.71/x
  3. Step 3: Cross multiply
    5,059.75x = 7,591.97 × 1,938.71
  4. Step 4: Simplify right side
    5,059.75x = 14,718,618.47
  5. Step 5: Solve for x
    x = 14,718,618.47/5,059.75
  6. Step 6: Final answer
    x = 2,908.96

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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.