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Finding the Fourth Proportional to 2,940.92, 4,058.48 and 1,614.71

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Solution

The fourth proportional to 2,940.92, 4,058.48 and 1,614.71 is: 2,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.92 : 4,058.48 = 1,614.71 : x
  2. Step 2: Convert to fraction form
    2,940.92/4,058.48 = 1,614.71/x
  3. Step 3: Cross multiply
    2,940.92x = 4,058.48 × 1,614.71
  4. Step 4: Simplify right side
    2,940.92x = 6,553,271.62
  5. Step 5: Solve for x
    x = 6,553,271.62/2,940.92
  6. Step 6: Final answer
    x = 2,228.30

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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.