Home / 5,181.92-7,773.72-2,061.92

Finding the Fourth Proportional to 5,181.92, 7,773.72 and 2,061.92

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Solution

The fourth proportional to 5,181.92, 7,773.72 and 2,061.92 is: 3,093.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.92 : 7,773.72 = 2,061.92 : x
  2. Step 2: Convert to fraction form
    5,181.92/7,773.72 = 2,061.92/x
  3. Step 3: Cross multiply
    5,181.92x = 7,773.72 × 2,061.92
  4. Step 4: Simplify right side
    5,181.92x = 16,028,788.74
  5. Step 5: Solve for x
    x = 16,028,788.74/5,181.92
  6. Step 6: Final answer
    x = 3,093.21

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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.