Home / 5,912.19-8,161.16-3,553.88

Finding the Fourth Proportional to 5,912.19, 8,161.16 and 3,553.88

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Solution

The fourth proportional to 5,912.19, 8,161.16 and 3,553.88 is: 4,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.19 : 8,161.16 = 3,553.88 : x
  2. Step 2: Convert to fraction form
    5,912.19/8,161.16 = 3,553.88/x
  3. Step 3: Cross multiply
    5,912.19x = 8,161.16 × 3,553.88
  4. Step 4: Simplify right side
    5,912.19x = 29,003,724.73
  5. Step 5: Solve for x
    x = 29,003,724.73/5,912.19
  6. Step 6: Final answer
    x = 4,905.75

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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.