Home / 5,249.88-7,244.82-2,892.02

Finding the Fourth Proportional to 5,249.88, 7,244.82 and 2,892.02

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Solution

The fourth proportional to 5,249.88, 7,244.82 and 2,892.02 is: 3,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,249.88 : 7,244.82 = 2,892.02 : x
  2. Step 2: Convert to fraction form
    5,249.88/7,244.82 = 2,892.02/x
  3. Step 3: Cross multiply
    5,249.88x = 7,244.82 × 2,892.02
  4. Step 4: Simplify right side
    5,249.88x = 20,952,128.11
  5. Step 5: Solve for x
    x = 20,952,128.11/5,249.88
  6. Step 6: Final answer
    x = 3,990.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.