Home / 4,119.62-5,667.44-3,722.31

Finding the Fourth Proportional to 4,119.62, 5,667.44 and 3,722.31

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Solution

The fourth proportional to 4,119.62, 5,667.44 and 3,722.31 is: 5,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.62 : 5,667.44 = 3,722.31 : x
  2. Step 2: Convert to fraction form
    4,119.62/5,667.44 = 3,722.31/x
  3. Step 3: Cross multiply
    4,119.62x = 5,667.44 × 3,722.31
  4. Step 4: Simplify right side
    4,119.62x = 21,095,949.97
  5. Step 5: Solve for x
    x = 21,095,949.97/4,119.62
  6. Step 6: Final answer
    x = 5,120.85

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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.