Home / 3,042.76-4,199.38-1,863.56

Finding the Fourth Proportional to 3,042.76, 4,199.38 and 1,863.56

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Solution

The fourth proportional to 3,042.76, 4,199.38 and 1,863.56 is: 2,571.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.76 : 4,199.38 = 1,863.56 : x
  2. Step 2: Convert to fraction form
    3,042.76/4,199.38 = 1,863.56/x
  3. Step 3: Cross multiply
    3,042.76x = 4,199.38 × 1,863.56
  4. Step 4: Simplify right side
    3,042.76x = 7,825,796.59
  5. Step 5: Solve for x
    x = 7,825,796.59/3,042.76
  6. Step 6: Final answer
    x = 2,571.94

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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.