Home / 5,083.97-7,013.18-2,986.88

Finding the Fourth Proportional to 5,083.97, 7,013.18 and 2,986.88

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Solution

The fourth proportional to 5,083.97, 7,013.18 and 2,986.88 is: 4,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.97 : 7,013.18 = 2,986.88 : x
  2. Step 2: Convert to fraction form
    5,083.97/7,013.18 = 2,986.88/x
  3. Step 3: Cross multiply
    5,083.97x = 7,013.18 × 2,986.88
  4. Step 4: Simplify right side
    5,083.97x = 20,947,499.48
  5. Step 5: Solve for x
    x = 20,947,499.48/5,083.97
  6. Step 6: Final answer
    x = 4,120.31

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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.