Home / 5,012.28-7,519.50-2,090.88

Finding the Fourth Proportional to 5,012.28, 7,519.50 and 2,090.88

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Solution

The fourth proportional to 5,012.28, 7,519.50 and 2,090.88 is: 3,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.28 : 7,519.50 = 2,090.88 : x
  2. Step 2: Convert to fraction form
    5,012.28/7,519.50 = 2,090.88/x
  3. Step 3: Cross multiply
    5,012.28x = 7,519.50 × 2,090.88
  4. Step 4: Simplify right side
    5,012.28x = 15,722,372.16
  5. Step 5: Solve for x
    x = 15,722,372.16/5,012.28
  6. Step 6: Final answer
    x = 3,136.77

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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.