Home / 5,199.82-7,175.65-2,841.98

Finding the Fourth Proportional to 5,199.82, 7,175.65 and 2,841.98

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Solution

The fourth proportional to 5,199.82, 7,175.65 and 2,841.98 is: 3,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.82 : 7,175.65 = 2,841.98 : x
  2. Step 2: Convert to fraction form
    5,199.82/7,175.65 = 2,841.98/x
  3. Step 3: Cross multiply
    5,199.82x = 7,175.65 × 2,841.98
  4. Step 4: Simplify right side
    5,199.82x = 20,393,066.31
  5. Step 5: Solve for x
    x = 20,393,066.31/5,199.82
  6. Step 6: Final answer
    x = 3,921.88

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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.