Home / 5,198.34-7,171.41-3,101.25

Finding the Fourth Proportional to 5,198.34, 7,171.41 and 3,101.25

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Solution

The fourth proportional to 5,198.34, 7,171.41 and 3,101.25 is: 4,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,198.34 : 7,171.41 = 3,101.25 : x
  2. Step 2: Convert to fraction form
    5,198.34/7,171.41 = 3,101.25/x
  3. Step 3: Cross multiply
    5,198.34x = 7,171.41 × 3,101.25
  4. Step 4: Simplify right side
    5,198.34x = 22,240,335.26
  5. Step 5: Solve for x
    x = 22,240,335.26/5,198.34
  6. Step 6: Final answer
    x = 4,278.35

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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.