Home / 5,519.19-7,617.17-3,161.33

Finding the Fourth Proportional to 5,519.19, 7,617.17 and 3,161.33

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Solution

The fourth proportional to 5,519.19, 7,617.17 and 3,161.33 is: 4,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.19 : 7,617.17 = 3,161.33 : x
  2. Step 2: Convert to fraction form
    5,519.19/7,617.17 = 3,161.33/x
  3. Step 3: Cross multiply
    5,519.19x = 7,617.17 × 3,161.33
  4. Step 4: Simplify right side
    5,519.19x = 24,080,414.98
  5. Step 5: Solve for x
    x = 24,080,414.98/5,519.19
  6. Step 6: Final answer
    x = 4,363.03

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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.