Home / 5,183.62-7,776.96-2,718.11

Finding the Fourth Proportional to 5,183.62, 7,776.96 and 2,718.11

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Solution

The fourth proportional to 5,183.62, 7,776.96 and 2,718.11 is: 4,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.62 : 7,776.96 = 2,718.11 : x
  2. Step 2: Convert to fraction form
    5,183.62/7,776.96 = 2,718.11/x
  3. Step 3: Cross multiply
    5,183.62x = 7,776.96 × 2,718.11
  4. Step 4: Simplify right side
    5,183.62x = 21,138,632.75
  5. Step 5: Solve for x
    x = 21,138,632.75/5,183.62
  6. Step 6: Final answer
    x = 4,077.97

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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.