Home / 5,199.67-7,175.57-2,841.86

Finding the Fourth Proportional to 5,199.67, 7,175.57 and 2,841.86

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Solution

The fourth proportional to 5,199.67, 7,175.57 and 2,841.86 is: 3,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.67 : 7,175.57 = 2,841.86 : x
  2. Step 2: Convert to fraction form
    5,199.67/7,175.57 = 2,841.86/x
  3. Step 3: Cross multiply
    5,199.67x = 7,175.57 × 2,841.86
  4. Step 4: Simplify right side
    5,199.67x = 20,391,965.36
  5. Step 5: Solve for x
    x = 20,391,965.36/5,199.67
  6. Step 6: Final answer
    x = 3,921.78

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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.