Home / 4,022.14-6,019.70-3,868.78

Finding the Fourth Proportional to 4,022.14, 6,019.70 and 3,868.78

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Solution

The fourth proportional to 4,022.14, 6,019.70 and 3,868.78 is: 5,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,022.14 : 6,019.70 = 3,868.78 : x
  2. Step 2: Convert to fraction form
    4,022.14/6,019.70 = 3,868.78/x
  3. Step 3: Cross multiply
    4,022.14x = 6,019.70 × 3,868.78
  4. Step 4: Simplify right side
    4,022.14x = 23,288,894.97
  5. Step 5: Solve for x
    x = 23,288,894.97/4,022.14
  6. Step 6: Final answer
    x = 5,790.18

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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.