Home / 7,581.87-11,372.25-3,366.45

Finding the Fourth Proportional to 7,581.87, 11,372.25 and 3,366.45

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Solution

The fourth proportional to 7,581.87, 11,372.25 and 3,366.45 is: 5,049.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.87 : 11,372.25 = 3,366.45 : x
  2. Step 2: Convert to fraction form
    7,581.87/11,372.25 = 3,366.45/x
  3. Step 3: Cross multiply
    7,581.87x = 11,372.25 × 3,366.45
  4. Step 4: Simplify right side
    7,581.87x = 38,284,111.01
  5. Step 5: Solve for x
    x = 38,284,111.01/7,581.87
  6. Step 6: Final answer
    x = 5,049.43

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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.