Home / 3,757.87-5,635.18-1,447.75

Finding the Fourth Proportional to 3,757.87, 5,635.18 and 1,447.75

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Solution

The fourth proportional to 3,757.87, 5,635.18 and 1,447.75 is: 2,171.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.87 : 5,635.18 = 1,447.75 : x
  2. Step 2: Convert to fraction form
    3,757.87/5,635.18 = 1,447.75/x
  3. Step 3: Cross multiply
    3,757.87x = 5,635.18 × 1,447.75
  4. Step 4: Simplify right side
    3,757.87x = 8,158,331.85
  5. Step 5: Solve for x
    x = 8,158,331.85/3,757.87
  6. Step 6: Final answer
    x = 2,171.00

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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.