Home / 5,926.40-8,178.38-3,273.78

Finding the Fourth Proportional to 5,926.40, 8,178.38 and 3,273.78

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Solution

The fourth proportional to 5,926.40, 8,178.38 and 3,273.78 is: 4,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,926.40 : 8,178.38 = 3,273.78 : x
  2. Step 2: Convert to fraction form
    5,926.40/8,178.38 = 3,273.78/x
  3. Step 3: Cross multiply
    5,926.40x = 8,178.38 × 3,273.78
  4. Step 4: Simplify right side
    5,926.40x = 26,774,216.88
  5. Step 5: Solve for x
    x = 26,774,216.88/5,926.40
  6. Step 6: Final answer
    x = 4,517.79

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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.