Home / 5,450.82-8,177.43-2,163.84

Finding the Fourth Proportional to 5,450.82, 8,177.43 and 2,163.84

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Solution

The fourth proportional to 5,450.82, 8,177.43 and 2,163.84 is: 3,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.82 : 8,177.43 = 2,163.84 : x
  2. Step 2: Convert to fraction form
    5,450.82/8,177.43 = 2,163.84/x
  3. Step 3: Cross multiply
    5,450.82x = 8,177.43 × 2,163.84
  4. Step 4: Simplify right side
    5,450.82x = 17,694,650.13
  5. Step 5: Solve for x
    x = 17,694,650.13/5,450.82
  6. Step 6: Final answer
    x = 3,246.24

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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.