Home / 3,182.00-4,391.20-1,765.73

Finding the Fourth Proportional to 3,182.00, 4,391.20 and 1,765.73

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Solution

The fourth proportional to 3,182.00, 4,391.20 and 1,765.73 is: 2,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.00 : 4,391.20 = 1,765.73 : x
  2. Step 2: Convert to fraction form
    3,182.00/4,391.20 = 1,765.73/x
  3. Step 3: Cross multiply
    3,182.00x = 4,391.20 × 1,765.73
  4. Step 4: Simplify right side
    3,182.00x = 7,753,647.21
  5. Step 5: Solve for x
    x = 7,753,647.21/3,182.00
  6. Step 6: Final answer
    x = 2,436.72

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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.