Home / 5,136.62-7,704.72-3,572.01

Finding the Fourth Proportional to 5,136.62, 7,704.72 and 3,572.01

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Solution

The fourth proportional to 5,136.62, 7,704.72 and 3,572.01 is: 5,357.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.62 : 7,704.72 = 3,572.01 : x
  2. Step 2: Convert to fraction form
    5,136.62/7,704.72 = 3,572.01/x
  3. Step 3: Cross multiply
    5,136.62x = 7,704.72 × 3,572.01
  4. Step 4: Simplify right side
    5,136.62x = 27,521,336.89
  5. Step 5: Solve for x
    x = 27,521,336.89/5,136.62
  6. Step 6: Final answer
    x = 5,357.87

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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.