Home / 7,553.25-11,321.78-3,649.05

Finding the Fourth Proportional to 7,553.25, 11,321.78 and 3,649.05

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Solution

The fourth proportional to 7,553.25, 11,321.78 and 3,649.05 is: 5,469.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,553.25 : 11,321.78 = 3,649.05 : x
  2. Step 2: Convert to fraction form
    7,553.25/11,321.78 = 3,649.05/x
  3. Step 3: Cross multiply
    7,553.25x = 11,321.78 × 3,649.05
  4. Step 4: Simplify right side
    7,553.25x = 41,313,723.06
  5. Step 5: Solve for x
    x = 41,313,723.06/7,553.25
  6. Step 6: Final answer
    x = 5,469.66

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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.