Home / 5,537.89-7,642.98-3,179.98

Finding the Fourth Proportional to 5,537.89, 7,642.98 and 3,179.98

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Solution

The fourth proportional to 5,537.89, 7,642.98 and 3,179.98 is: 4,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,537.89 : 7,642.98 = 3,179.98 : x
  2. Step 2: Convert to fraction form
    5,537.89/7,642.98 = 3,179.98/x
  3. Step 3: Cross multiply
    5,537.89x = 7,642.98 × 3,179.98
  4. Step 4: Simplify right side
    5,537.89x = 24,304,523.54
  5. Step 5: Solve for x
    x = 24,304,523.54/5,537.89
  6. Step 6: Final answer
    x = 4,388.77

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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.