Home / 5,974.20-8,243.82-3,321.72

Finding the Fourth Proportional to 5,974.20, 8,243.82 and 3,321.72

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Solution

The fourth proportional to 5,974.20, 8,243.82 and 3,321.72 is: 4,583.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,974.20 : 8,243.82 = 3,321.72 : x
  2. Step 2: Convert to fraction form
    5,974.20/8,243.82 = 3,321.72/x
  3. Step 3: Cross multiply
    5,974.20x = 8,243.82 × 3,321.72
  4. Step 4: Simplify right side
    5,974.20x = 27,383,661.77
  5. Step 5: Solve for x
    x = 27,383,661.77/5,974.20
  6. Step 6: Final answer
    x = 4,583.65

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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.