Home / 4,757.50-7,136.70-1,637.38

Finding the Fourth Proportional to 4,757.50, 7,136.70 and 1,637.38

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Solution

The fourth proportional to 4,757.50, 7,136.70 and 1,637.38 is: 2,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.50 : 7,136.70 = 1,637.38 : x
  2. Step 2: Convert to fraction form
    4,757.50/7,136.70 = 1,637.38/x
  3. Step 3: Cross multiply
    4,757.50x = 7,136.70 × 1,637.38
  4. Step 4: Simplify right side
    4,757.50x = 11,685,489.85
  5. Step 5: Solve for x
    x = 11,685,489.85/4,757.50
  6. Step 6: Final answer
    x = 2,456.22

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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.