Home / 7,422.24-11,125.68-2,802

Finding the Fourth Proportional to 7,422.24, 11,125.68 and 2,802

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Solution

The fourth proportional to 7,422.24, 11,125.68 and 2,802 is: 4,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.24 : 11,125.68 = 2,802 : x
  2. Step 2: Convert to fraction form
    7,422.24/11,125.68 = 2,802/x
  3. Step 3: Cross multiply
    7,422.24x = 11,125.68 × 2,802
  4. Step 4: Simplify right side
    7,422.24x = 31,174,155.36
  5. Step 5: Solve for x
    x = 31,174,155.36/7,422.24
  6. Step 6: Final answer
    x = 4,200.10

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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.