Home / 3,284.05-4,531.17-1,939.73

Finding the Fourth Proportional to 3,284.05, 4,531.17 and 1,939.73

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Solution

The fourth proportional to 3,284.05, 4,531.17 and 1,939.73 is: 2,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,284.05 : 4,531.17 = 1,939.73 : x
  2. Step 2: Convert to fraction form
    3,284.05/4,531.17 = 1,939.73/x
  3. Step 3: Cross multiply
    3,284.05x = 4,531.17 × 1,939.73
  4. Step 4: Simplify right side
    3,284.05x = 8,789,246.38
  5. Step 5: Solve for x
    x = 8,789,246.38/3,284.05
  6. Step 6: Final answer
    x = 2,676.34

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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.