Home / 5,778.44-7,974.28-3,260.66

Finding the Fourth Proportional to 5,778.44, 7,974.28 and 3,260.66

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Solution

The fourth proportional to 5,778.44, 7,974.28 and 3,260.66 is: 4,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.44 : 7,974.28 = 3,260.66 : x
  2. Step 2: Convert to fraction form
    5,778.44/7,974.28 = 3,260.66/x
  3. Step 3: Cross multiply
    5,778.44x = 7,974.28 × 3,260.66
  4. Step 4: Simplify right side
    5,778.44x = 26,001,380.03
  5. Step 5: Solve for x
    x = 26,001,380.03/5,778.44
  6. Step 6: Final answer
    x = 4,499.72

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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.