Home / 5,175.11-7,758.32-2,251.22

Finding the Fourth Proportional to 5,175.11, 7,758.32 and 2,251.22

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Solution

The fourth proportional to 5,175.11, 7,758.32 and 2,251.22 is: 3,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.11 : 7,758.32 = 2,251.22 : x
  2. Step 2: Convert to fraction form
    5,175.11/7,758.32 = 2,251.22/x
  3. Step 3: Cross multiply
    5,175.11x = 7,758.32 × 2,251.22
  4. Step 4: Simplify right side
    5,175.11x = 17,465,635.10
  5. Step 5: Solve for x
    x = 17,465,635.10/5,175.11
  6. Step 6: Final answer
    x = 3,374.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.