Home / 5,199.25-7,175.13-2,841.55

Finding the Fourth Proportional to 5,199.25, 7,175.13 and 2,841.55

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Solution

The fourth proportional to 5,199.25, 7,175.13 and 2,841.55 is: 3,921.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.25 : 7,175.13 = 2,841.55 : x
  2. Step 2: Convert to fraction form
    5,199.25/7,175.13 = 2,841.55/x
  3. Step 3: Cross multiply
    5,199.25x = 7,175.13 × 2,841.55
  4. Step 4: Simplify right side
    5,199.25x = 20,388,490.65
  5. Step 5: Solve for x
    x = 20,388,490.65/5,199.25
  6. Step 6: Final answer
    x = 3,921.43

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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.