Home / 3,065.70-4,224.92-2,179.97

Finding the Fourth Proportional to 3,065.70, 4,224.92 and 2,179.97

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Solution

The fourth proportional to 3,065.70, 4,224.92 and 2,179.97 is: 3,004.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.70 : 4,224.92 = 2,179.97 : x
  2. Step 2: Convert to fraction form
    3,065.70/4,224.92 = 2,179.97/x
  3. Step 3: Cross multiply
    3,065.70x = 4,224.92 × 2,179.97
  4. Step 4: Simplify right side
    3,065.70x = 9,210,198.85
  5. Step 5: Solve for x
    x = 9,210,198.85/3,065.70
  6. Step 6: Final answer
    x = 3,004.27

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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.