Home / 5,199.38-7,175.19-2,841.53

Finding the Fourth Proportional to 5,199.38, 7,175.19 and 2,841.53

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Solution

The fourth proportional to 5,199.38, 7,175.19 and 2,841.53 is: 3,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.38 : 7,175.19 = 2,841.53 : x
  2. Step 2: Convert to fraction form
    5,199.38/7,175.19 = 2,841.53/x
  3. Step 3: Cross multiply
    5,199.38x = 7,175.19 × 2,841.53
  4. Step 4: Simplify right side
    5,199.38x = 20,388,481.76
  5. Step 5: Solve for x
    x = 20,388,481.76/5,199.38
  6. Step 6: Final answer
    x = 3,921.33

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1.5x scale

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.