Home / 4,921.11-6,790.79-2,767.97

Finding the Fourth Proportional to 4,921.11, 6,790.79 and 2,767.97

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Solution

The fourth proportional to 4,921.11, 6,790.79 and 2,767.97 is: 3,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.11 : 6,790.79 = 2,767.97 : x
  2. Step 2: Convert to fraction form
    4,921.11/6,790.79 = 2,767.97/x
  3. Step 3: Cross multiply
    4,921.11x = 6,790.79 × 2,767.97
  4. Step 4: Simplify right side
    4,921.11x = 18,796,703.00
  5. Step 5: Solve for x
    x = 18,796,703.00/4,921.11
  6. Step 6: Final answer
    x = 3,819.61

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1.5x scale

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.