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Finding the Fourth Proportional to 2,940.76, 4,058.23 and 1,614.49

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Solution

The fourth proportional to 2,940.76, 4,058.23 and 1,614.49 is: 2,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.76 : 4,058.23 = 1,614.49 : x
  2. Step 2: Convert to fraction form
    2,940.76/4,058.23 = 1,614.49/x
  3. Step 3: Cross multiply
    2,940.76x = 4,058.23 × 1,614.49
  4. Step 4: Simplify right side
    2,940.76x = 6,551,951.46
  5. Step 5: Solve for x
    x = 6,551,951.46/2,940.76
  6. Step 6: Final answer
    x = 2,227.98

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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.