Home / 7,422.03-11,132.91-2,491.56

Finding the Fourth Proportional to 7,422.03, 11,132.91 and 2,491.56

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Solution

The fourth proportional to 7,422.03, 11,132.91 and 2,491.56 is: 3,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.03 : 11,132.91 = 2,491.56 : x
  2. Step 2: Convert to fraction form
    7,422.03/11,132.91 = 2,491.56/x
  3. Step 3: Cross multiply
    7,422.03x = 11,132.91 × 2,491.56
  4. Step 4: Simplify right side
    7,422.03x = 27,738,313.24
  5. Step 5: Solve for x
    x = 27,738,313.24/7,422.03
  6. Step 6: Final answer
    x = 3,737.29

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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.