Home / 4,013.38-5,540.01-2,686.60

Finding the Fourth Proportional to 4,013.38, 5,540.01 and 2,686.60

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Solution

The fourth proportional to 4,013.38, 5,540.01 and 2,686.60 is: 3,708.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.38 : 5,540.01 = 2,686.60 : x
  2. Step 2: Convert to fraction form
    4,013.38/5,540.01 = 2,686.60/x
  3. Step 3: Cross multiply
    4,013.38x = 5,540.01 × 2,686.60
  4. Step 4: Simplify right side
    4,013.38x = 14,883,790.87
  5. Step 5: Solve for x
    x = 14,883,790.87/4,013.38
  6. Step 6: Final answer
    x = 3,708.54

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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.