Home / 2,940.49-4,057.92-1,614.32

Finding the Fourth Proportional to 2,940.49, 4,057.92 and 1,614.32

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Solution

The fourth proportional to 2,940.49, 4,057.92 and 1,614.32 is: 2,227.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.49 : 4,057.92 = 1,614.32 : x
  2. Step 2: Convert to fraction form
    2,940.49/4,057.92 = 1,614.32/x
  3. Step 3: Cross multiply
    2,940.49x = 4,057.92 × 1,614.32
  4. Step 4: Simplify right side
    2,940.49x = 6,550,755.07
  5. Step 5: Solve for x
    x = 6,550,755.07/2,940.49
  6. Step 6: Final answer
    x = 2,227.78

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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.