Home / 3,933.38-5,427.97-2,340.72

Finding the Fourth Proportional to 3,933.38, 5,427.97 and 2,340.72

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Solution

The fourth proportional to 3,933.38, 5,427.97 and 2,340.72 is: 3,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.38 : 5,427.97 = 2,340.72 : x
  2. Step 2: Convert to fraction form
    3,933.38/5,427.97 = 2,340.72/x
  3. Step 3: Cross multiply
    3,933.38x = 5,427.97 × 2,340.72
  4. Step 4: Simplify right side
    3,933.38x = 12,705,352.09
  5. Step 5: Solve for x
    x = 12,705,352.09/3,933.38
  6. Step 6: Final answer
    x = 3,230.13

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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.