Home / 3,591.46-5,385.45-1,251.41

Finding the Fourth Proportional to 3,591.46, 5,385.45 and 1,251.41

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Solution

The fourth proportional to 3,591.46, 5,385.45 and 1,251.41 is: 1,876.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.46 : 5,385.45 = 1,251.41 : x
  2. Step 2: Convert to fraction form
    3,591.46/5,385.45 = 1,251.41/x
  3. Step 3: Cross multiply
    3,591.46x = 5,385.45 × 1,251.41
  4. Step 4: Simplify right side
    3,591.46x = 6,739,376.71
  5. Step 5: Solve for x
    x = 6,739,376.71/3,591.46
  6. Step 6: Final answer
    x = 1,876.50

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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.