Home / 5,474.38-8,211.27-3,102.61

Finding the Fourth Proportional to 5,474.38, 8,211.27 and 3,102.61

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Solution

The fourth proportional to 5,474.38, 8,211.27 and 3,102.61 is: 4,653.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.38 : 8,211.27 = 3,102.61 : x
  2. Step 2: Convert to fraction form
    5,474.38/8,211.27 = 3,102.61/x
  3. Step 3: Cross multiply
    5,474.38x = 8,211.27 × 3,102.61
  4. Step 4: Simplify right side
    5,474.38x = 25,476,368.41
  5. Step 5: Solve for x
    x = 25,476,368.41/5,474.38
  6. Step 6: Final answer
    x = 4,653.74

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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.