Home / 5,149.44-7,101.99-3,158.59

Finding the Fourth Proportional to 5,149.44, 7,101.99 and 3,158.59

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Solution

The fourth proportional to 5,149.44, 7,101.99 and 3,158.59 is: 4,356.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.44 : 7,101.99 = 3,158.59 : x
  2. Step 2: Convert to fraction form
    5,149.44/7,101.99 = 3,158.59/x
  3. Step 3: Cross multiply
    5,149.44x = 7,101.99 × 3,158.59
  4. Step 4: Simplify right side
    5,149.44x = 22,432,274.59
  5. Step 5: Solve for x
    x = 22,432,274.59/5,149.44
  6. Step 6: Final answer
    x = 4,356.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.