Home / 3,213.27-4,434.79-2,034.45

Finding the Fourth Proportional to 3,213.27, 4,434.79 and 2,034.45

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Solution

The fourth proportional to 3,213.27, 4,434.79 and 2,034.45 is: 2,807.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.27 : 4,434.79 = 2,034.45 : x
  2. Step 2: Convert to fraction form
    3,213.27/4,434.79 = 2,034.45/x
  3. Step 3: Cross multiply
    3,213.27x = 4,434.79 × 2,034.45
  4. Step 4: Simplify right side
    3,213.27x = 9,022,374.69
  5. Step 5: Solve for x
    x = 9,022,374.69/3,213.27
  6. Step 6: Final answer
    x = 2,807.85

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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.