Home / 5,199.57-7,175.42-2,841.71

Finding the Fourth Proportional to 5,199.57, 7,175.42 and 2,841.71

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Solution

The fourth proportional to 5,199.57, 7,175.42 and 2,841.71 is: 3,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.57 : 7,175.42 = 2,841.71 : x
  2. Step 2: Convert to fraction form
    5,199.57/7,175.42 = 2,841.71/x
  3. Step 3: Cross multiply
    5,199.57x = 7,175.42 × 2,841.71
  4. Step 4: Simplify right side
    5,199.57x = 20,390,412.68
  5. Step 5: Solve for x
    x = 20,390,412.68/5,199.57
  6. Step 6: Final answer
    x = 3,921.56

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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.