Home / 7,753.20-11,629.94-2,206.69

Finding the Fourth Proportional to 7,753.20, 11,629.94 and 2,206.69

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Solution

The fourth proportional to 7,753.20, 11,629.94 and 2,206.69 is: 3,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753.20 : 11,629.94 = 2,206.69 : x
  2. Step 2: Convert to fraction form
    7,753.20/11,629.94 = 2,206.69/x
  3. Step 3: Cross multiply
    7,753.20x = 11,629.94 × 2,206.69
  4. Step 4: Simplify right side
    7,753.20x = 25,663,603.12
  5. Step 5: Solve for x
    x = 25,663,603.12/7,753.20
  6. Step 6: Final answer
    x = 3,310.07

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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.