Home / 5,472.70-8,195.94-3,987.94

Finding the Fourth Proportional to 5,472.70, 8,195.94 and 3,987.94

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Solution

The fourth proportional to 5,472.70, 8,195.94 and 3,987.94 is: 5,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.70 : 8,195.94 = 3,987.94 : x
  2. Step 2: Convert to fraction form
    5,472.70/8,195.94 = 3,987.94/x
  3. Step 3: Cross multiply
    5,472.70x = 8,195.94 × 3,987.94
  4. Step 4: Simplify right side
    5,472.70x = 32,684,916.96
  5. Step 5: Solve for x
    x = 32,684,916.96/5,472.70
  6. Step 6: Final answer
    x = 5,972.36

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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.