Home / 7,136.16-10,704.03-2,754.56

Finding the Fourth Proportional to 7,136.16, 10,704.03 and 2,754.56

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Solution

The fourth proportional to 7,136.16, 10,704.03 and 2,754.56 is: 4,131.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.16 : 10,704.03 = 2,754.56 : x
  2. Step 2: Convert to fraction form
    7,136.16/10,704.03 = 2,754.56/x
  3. Step 3: Cross multiply
    7,136.16x = 10,704.03 × 2,754.56
  4. Step 4: Simplify right side
    7,136.16x = 29,484,892.88
  5. Step 5: Solve for x
    x = 29,484,892.88/7,136.16
  6. Step 6: Final answer
    x = 4,131.76

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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.