Home / 3,474.44-4,793.38-2,128.82

Finding the Fourth Proportional to 3,474.44, 4,793.38 and 2,128.82

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Solution

The fourth proportional to 3,474.44, 4,793.38 and 2,128.82 is: 2,936.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.44 : 4,793.38 = 2,128.82 : x
  2. Step 2: Convert to fraction form
    3,474.44/4,793.38 = 2,128.82/x
  3. Step 3: Cross multiply
    3,474.44x = 4,793.38 × 2,128.82
  4. Step 4: Simplify right side
    3,474.44x = 10,204,243.21
  5. Step 5: Solve for x
    x = 10,204,243.21/3,474.44
  6. Step 6: Final answer
    x = 2,936.95

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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.