Home / 2,940.38-4,057.71-1,614.05

Finding the Fourth Proportional to 2,940.38, 4,057.71 and 1,614.05

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Solution

The fourth proportional to 2,940.38, 4,057.71 and 1,614.05 is: 2,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.38 : 4,057.71 = 1,614.05 : x
  2. Step 2: Convert to fraction form
    2,940.38/4,057.71 = 1,614.05/x
  3. Step 3: Cross multiply
    2,940.38x = 4,057.71 × 1,614.05
  4. Step 4: Simplify right side
    2,940.38x = 6,549,335.70
  5. Step 5: Solve for x
    x = 6,549,335.70/2,940.38
  6. Step 6: Final answer
    x = 2,227.38

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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.