Home / 5,699.78-8,553.49-2,192.69

Finding the Fourth Proportional to 5,699.78, 8,553.49 and 2,192.69

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Solution

The fourth proportional to 5,699.78, 8,553.49 and 2,192.69 is: 3,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,699.78 : 8,553.49 = 2,192.69 : x
  2. Step 2: Convert to fraction form
    5,699.78/8,553.49 = 2,192.69/x
  3. Step 3: Cross multiply
    5,699.78x = 8,553.49 × 2,192.69
  4. Step 4: Simplify right side
    5,699.78x = 18,755,098.26
  5. Step 5: Solve for x
    x = 18,755,098.26/5,699.78
  6. Step 6: Final answer
    x = 3,290.49

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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.