Home / 3,815.84-5,723.76-1,183.92

Finding the Fourth Proportional to 3,815.84, 5,723.76 and 1,183.92

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Solution

The fourth proportional to 3,815.84, 5,723.76 and 1,183.92 is: 1,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.84 : 5,723.76 = 1,183.92 : x
  2. Step 2: Convert to fraction form
    3,815.84/5,723.76 = 1,183.92/x
  3. Step 3: Cross multiply
    3,815.84x = 5,723.76 × 1,183.92
  4. Step 4: Simplify right side
    3,815.84x = 6,776,473.94
  5. Step 5: Solve for x
    x = 6,776,473.94/3,815.84
  6. Step 6: Final answer
    x = 1,775.88

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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.