Home / 4,013.63-5,540.74-2,671.47

Finding the Fourth Proportional to 4,013.63, 5,540.74 and 2,671.47

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Solution

The fourth proportional to 4,013.63, 5,540.74 and 2,671.47 is: 3,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.63 : 5,540.74 = 2,671.47 : x
  2. Step 2: Convert to fraction form
    4,013.63/5,540.74 = 2,671.47/x
  3. Step 3: Cross multiply
    4,013.63x = 5,540.74 × 2,671.47
  4. Step 4: Simplify right side
    4,013.63x = 14,801,935.02
  5. Step 5: Solve for x
    x = 14,801,935.02/4,013.63
  6. Step 6: Final answer
    x = 3,687.92

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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.