Home / 10,100.88-15,151.16-3,175.38

Finding the Fourth Proportional to 10,100.88, 15,151.16 and 3,175.38

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Solution

The fourth proportional to 10,100.88, 15,151.16 and 3,175.38 is: 4,763.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.88 : 15,151.16 = 3,175.38 : x
  2. Step 2: Convert to fraction form
    10,100.88/15,151.16 = 3,175.38/x
  3. Step 3: Cross multiply
    10,100.88x = 15,151.16 × 3,175.38
  4. Step 4: Simplify right side
    10,100.88x = 48,110,690.44
  5. Step 5: Solve for x
    x = 48,110,690.44/10,100.88
  6. Step 6: Final answer
    x = 4,763.02

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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.