Home / 5,932.50-8,186.79-3,279.78

Finding the Fourth Proportional to 5,932.50, 8,186.79 and 3,279.78

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Solution

The fourth proportional to 5,932.50, 8,186.79 and 3,279.78 is: 4,526.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.50 : 8,186.79 = 3,279.78 : x
  2. Step 2: Convert to fraction form
    5,932.50/8,186.79 = 3,279.78/x
  3. Step 3: Cross multiply
    5,932.50x = 8,186.79 × 3,279.78
  4. Step 4: Simplify right side
    5,932.50x = 26,850,870.11
  5. Step 5: Solve for x
    x = 26,850,870.11/5,932.50
  6. Step 6: Final answer
    x = 4,526.06

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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.