Home / 7,372.20-10,171.13-4,185.06

Finding the Fourth Proportional to 7,372.20, 10,171.13 and 4,185.06

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Solution

The fourth proportional to 7,372.20, 10,171.13 and 4,185.06 is: 5,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.20 : 10,171.13 = 4,185.06 : x
  2. Step 2: Convert to fraction form
    7,372.20/10,171.13 = 4,185.06/x
  3. Step 3: Cross multiply
    7,372.20x = 10,171.13 × 4,185.06
  4. Step 4: Simplify right side
    7,372.20x = 42,566,789.32
  5. Step 5: Solve for x
    x = 42,566,789.32/7,372.20
  6. Step 6: Final answer
    x = 5,773.96

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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.