Home / 3,954.67-5,458.20-2,540.14

Finding the Fourth Proportional to 3,954.67, 5,458.20 and 2,540.14

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Solution

The fourth proportional to 3,954.67, 5,458.20 and 2,540.14 is: 3,505.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.67 : 5,458.20 = 2,540.14 : x
  2. Step 2: Convert to fraction form
    3,954.67/5,458.20 = 2,540.14/x
  3. Step 3: Cross multiply
    3,954.67x = 5,458.20 × 2,540.14
  4. Step 4: Simplify right side
    3,954.67x = 13,864,579.45
  5. Step 5: Solve for x
    x = 13,864,579.45/3,954.67
  6. Step 6: Final answer
    x = 3,505.88

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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.