Home / 5,618.97-7,754.22-3,101.18

Finding the Fourth Proportional to 5,618.97, 7,754.22 and 3,101.18

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Solution

The fourth proportional to 5,618.97, 7,754.22 and 3,101.18 is: 4,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.97 : 7,754.22 = 3,101.18 : x
  2. Step 2: Convert to fraction form
    5,618.97/7,754.22 = 3,101.18/x
  3. Step 3: Cross multiply
    5,618.97x = 7,754.22 × 3,101.18
  4. Step 4: Simplify right side
    5,618.97x = 24,047,193.21
  5. Step 5: Solve for x
    x = 24,047,193.21/5,618.97
  6. Step 6: Final answer
    x = 4,279.64

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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.