Home / 7,581.48-11,372.25-2,651.13

Finding the Fourth Proportional to 7,581.48, 11,372.25 and 2,651.13

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Solution

The fourth proportional to 7,581.48, 11,372.25 and 2,651.13 is: 3,976.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.48 : 11,372.25 = 2,651.13 : x
  2. Step 2: Convert to fraction form
    7,581.48/11,372.25 = 2,651.13/x
  3. Step 3: Cross multiply
    7,581.48x = 11,372.25 × 2,651.13
  4. Step 4: Simplify right side
    7,581.48x = 30,149,313.14
  5. Step 5: Solve for x
    x = 30,149,313.14/7,581.48
  6. Step 6: Final answer
    x = 3,976.71

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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.