Home / 5,424.82-8,136.78-2,503.13

Finding the Fourth Proportional to 5,424.82, 8,136.78 and 2,503.13

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Solution

The fourth proportional to 5,424.82, 8,136.78 and 2,503.13 is: 3,754.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.82 : 8,136.78 = 2,503.13 : x
  2. Step 2: Convert to fraction form
    5,424.82/8,136.78 = 2,503.13/x
  3. Step 3: Cross multiply
    5,424.82x = 8,136.78 × 2,503.13
  4. Step 4: Simplify right side
    5,424.82x = 20,367,397.98
  5. Step 5: Solve for x
    x = 20,367,397.98/5,424.82
  6. Step 6: Final answer
    x = 3,754.48

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1.5x scale

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.