Home / 4,167.89-5,753.77-3,221.54

Finding the Fourth Proportional to 4,167.89, 5,753.77 and 3,221.54

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Solution

The fourth proportional to 4,167.89, 5,753.77 and 3,221.54 is: 4,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.89 : 5,753.77 = 3,221.54 : x
  2. Step 2: Convert to fraction form
    4,167.89/5,753.77 = 3,221.54/x
  3. Step 3: Cross multiply
    4,167.89x = 5,753.77 × 3,221.54
  4. Step 4: Simplify right side
    4,167.89x = 18,536,020.88
  5. Step 5: Solve for x
    x = 18,536,020.88/4,167.89
  6. Step 6: Final answer
    x = 4,447.34

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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.