Home / 5,446.26-8,115.28-5,181.80

Finding the Fourth Proportional to 5,446.26, 8,115.28 and 5,181.80

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Solution

The fourth proportional to 5,446.26, 8,115.28 and 5,181.80 is: 7,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.26 : 8,115.28 = 5,181.80 : x
  2. Step 2: Convert to fraction form
    5,446.26/8,115.28 = 5,181.80/x
  3. Step 3: Cross multiply
    5,446.26x = 8,115.28 × 5,181.80
  4. Step 4: Simplify right side
    5,446.26x = 42,051,704.37
  5. Step 5: Solve for x
    x = 42,051,704.37/5,446.26
  6. Step 6: Final answer
    x = 7,721.21

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.