Home / 5,447.75-8,160.36-3,966.05

Finding the Fourth Proportional to 5,447.75, 8,160.36 and 3,966.05

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Solution

The fourth proportional to 5,447.75, 8,160.36 and 3,966.05 is: 5,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.75 : 8,160.36 = 3,966.05 : x
  2. Step 2: Convert to fraction form
    5,447.75/8,160.36 = 3,966.05/x
  3. Step 3: Cross multiply
    5,447.75x = 8,160.36 × 3,966.05
  4. Step 4: Simplify right side
    5,447.75x = 32,364,354.98
  5. Step 5: Solve for x
    x = 32,364,354.98/5,447.75
  6. Step 6: Final answer
    x = 5,940.87

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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.