Home / 3,450.38-5,167.82-2,664.89

Finding the Fourth Proportional to 3,450.38, 5,167.82 and 2,664.89

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Solution

The fourth proportional to 3,450.38, 5,167.82 and 2,664.89 is: 3,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.38 : 5,167.82 = 2,664.89 : x
  2. Step 2: Convert to fraction form
    3,450.38/5,167.82 = 2,664.89/x
  3. Step 3: Cross multiply
    3,450.38x = 5,167.82 × 2,664.89
  4. Step 4: Simplify right side
    3,450.38x = 13,771,632.68
  5. Step 5: Solve for x
    x = 13,771,632.68/3,450.38
  6. Step 6: Final answer
    x = 3,991.34

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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.