Home / 5,116.05-7,058.15-2,877.41

Finding the Fourth Proportional to 5,116.05, 7,058.15 and 2,877.41

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Solution

The fourth proportional to 5,116.05, 7,058.15 and 2,877.41 is: 3,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.05 : 7,058.15 = 2,877.41 : x
  2. Step 2: Convert to fraction form
    5,116.05/7,058.15 = 2,877.41/x
  3. Step 3: Cross multiply
    5,116.05x = 7,058.15 × 2,877.41
  4. Step 4: Simplify right side
    5,116.05x = 20,309,177.00
  5. Step 5: Solve for x
    x = 20,309,177.00/5,116.05
  6. Step 6: Final answer
    x = 3,969.70

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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.