Home / 5,114.74-7,058.17-2,876.71

Finding the Fourth Proportional to 5,114.74, 7,058.17 and 2,876.71

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Solution

The fourth proportional to 5,114.74, 7,058.17 and 2,876.71 is: 3,969.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.74 : 7,058.17 = 2,876.71 : x
  2. Step 2: Convert to fraction form
    5,114.74/7,058.17 = 2,876.71/x
  3. Step 3: Cross multiply
    5,114.74x = 7,058.17 × 2,876.71
  4. Step 4: Simplify right side
    5,114.74x = 20,304,308.22
  5. Step 5: Solve for x
    x = 20,304,308.22/5,114.74
  6. Step 6: Final answer
    x = 3,969.76

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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.