Home / 4,112.67-5,675.40-2,540.73

Finding the Fourth Proportional to 4,112.67, 5,675.40 and 2,540.73

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Solution

The fourth proportional to 4,112.67, 5,675.40 and 2,540.73 is: 3,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.67 : 5,675.40 = 2,540.73 : x
  2. Step 2: Convert to fraction form
    4,112.67/5,675.40 = 2,540.73/x
  3. Step 3: Cross multiply
    4,112.67x = 5,675.40 × 2,540.73
  4. Step 4: Simplify right side
    4,112.67x = 14,419,659.04
  5. Step 5: Solve for x
    x = 14,419,659.04/4,112.67
  6. Step 6: Final answer
    x = 3,506.16

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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.