Home / 3,471.66-4,789.50-2,212.38

Finding the Fourth Proportional to 3,471.66, 4,789.50 and 2,212.38

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Solution

The fourth proportional to 3,471.66, 4,789.50 and 2,212.38 is: 3,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.66 : 4,789.50 = 2,212.38 : x
  2. Step 2: Convert to fraction form
    3,471.66/4,789.50 = 2,212.38/x
  3. Step 3: Cross multiply
    3,471.66x = 4,789.50 × 2,212.38
  4. Step 4: Simplify right side
    3,471.66x = 10,596,194.01
  5. Step 5: Solve for x
    x = 10,596,194.01/3,471.66
  6. Step 6: Final answer
    x = 3,052.20

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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.