Home / 7,370.97-10,171.63-4,013.78

Finding the Fourth Proportional to 7,370.97, 10,171.63 and 4,013.78

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Solution

The fourth proportional to 7,370.97, 10,171.63 and 4,013.78 is: 5,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.97 : 10,171.63 = 4,013.78 : x
  2. Step 2: Convert to fraction form
    7,370.97/10,171.63 = 4,013.78/x
  3. Step 3: Cross multiply
    7,370.97x = 10,171.63 × 4,013.78
  4. Step 4: Simplify right side
    7,370.97x = 40,826,679.12
  5. Step 5: Solve for x
    x = 40,826,679.12/7,370.97
  6. Step 6: Final answer
    x = 5,538.85

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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.