Home / 4,826.92-6,661.38-2,731

Finding the Fourth Proportional to 4,826.92, 6,661.38 and 2,731

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Solution

The fourth proportional to 4,826.92, 6,661.38 and 2,731 is: 3,768.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,826.92 : 6,661.38 = 2,731 : x
  2. Step 2: Convert to fraction form
    4,826.92/6,661.38 = 2,731/x
  3. Step 3: Cross multiply
    4,826.92x = 6,661.38 × 2,731
  4. Step 4: Simplify right side
    4,826.92x = 18,192,228.78
  5. Step 5: Solve for x
    x = 18,192,228.78/4,826.92
  6. Step 6: Final answer
    x = 3,768.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.