Home / 2,940.71-4,058.19-1,614.42

Finding the Fourth Proportional to 2,940.71, 4,058.19 and 1,614.42

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Solution

The fourth proportional to 2,940.71, 4,058.19 and 1,614.42 is: 2,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.71 : 4,058.19 = 1,614.42 : x
  2. Step 2: Convert to fraction form
    2,940.71/4,058.19 = 1,614.42/x
  3. Step 3: Cross multiply
    2,940.71x = 4,058.19 × 1,614.42
  4. Step 4: Simplify right side
    2,940.71x = 6,551,623.10
  5. Step 5: Solve for x
    x = 6,551,623.10/2,940.71
  6. Step 6: Final answer
    x = 2,227.91

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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.