Home / 4,118.46-6,171.55-2,164.74

Finding the Fourth Proportional to 4,118.46, 6,171.55 and 2,164.74

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Solution

The fourth proportional to 4,118.46, 6,171.55 and 2,164.74 is: 3,243.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118.46 : 6,171.55 = 2,164.74 : x
  2. Step 2: Convert to fraction form
    4,118.46/6,171.55 = 2,164.74/x
  3. Step 3: Cross multiply
    4,118.46x = 6,171.55 × 2,164.74
  4. Step 4: Simplify right side
    4,118.46x = 13,359,801.15
  5. Step 5: Solve for x
    x = 13,359,801.15/4,118.46
  6. Step 6: Final answer
    x = 3,243.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.