Home / 3,471.24-4,789.38-2,212.68

Finding the Fourth Proportional to 3,471.24, 4,789.38 and 2,212.68

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Solution

The fourth proportional to 3,471.24, 4,789.38 and 2,212.68 is: 3,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.24 : 4,789.38 = 2,212.68 : x
  2. Step 2: Convert to fraction form
    3,471.24/4,789.38 = 2,212.68/x
  3. Step 3: Cross multiply
    3,471.24x = 4,789.38 × 2,212.68
  4. Step 4: Simplify right side
    3,471.24x = 10,597,365.34
  5. Step 5: Solve for x
    x = 10,597,365.34/3,471.24
  6. Step 6: Final answer
    x = 3,052.90

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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.