Home / 3,767.92-5,647.25-2,840.54

Finding the Fourth Proportional to 3,767.92, 5,647.25 and 2,840.54

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Solution

The fourth proportional to 3,767.92, 5,647.25 and 2,840.54 is: 4,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.92 : 5,647.25 = 2,840.54 : x
  2. Step 2: Convert to fraction form
    3,767.92/5,647.25 = 2,840.54/x
  3. Step 3: Cross multiply
    3,767.92x = 5,647.25 × 2,840.54
  4. Step 4: Simplify right side
    3,767.92x = 16,041,218.38
  5. Step 5: Solve for x
    x = 16,041,218.38/3,767.92
  6. Step 6: Final answer
    x = 4,257.32

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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.