Home / 2,454.14-3,385.22-2,290.12

Finding the Fourth Proportional to 2,454.14, 3,385.22 and 2,290.12

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Solution

The fourth proportional to 2,454.14, 3,385.22 and 2,290.12 is: 3,158.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.14 : 3,385.22 = 2,290.12 : x
  2. Step 2: Convert to fraction form
    2,454.14/3,385.22 = 2,290.12/x
  3. Step 3: Cross multiply
    2,454.14x = 3,385.22 × 2,290.12
  4. Step 4: Simplify right side
    2,454.14x = 7,752,540.11
  5. Step 5: Solve for x
    x = 7,752,540.11/2,454.14
  6. Step 6: Final answer
    x = 3,158.96

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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.