Home / 4,198.63-6,292.78-1,856.11

Finding the Fourth Proportional to 4,198.63, 6,292.78 and 1,856.11

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Solution

The fourth proportional to 4,198.63, 6,292.78 and 1,856.11 is: 2,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.63 : 6,292.78 = 1,856.11 : x
  2. Step 2: Convert to fraction form
    4,198.63/6,292.78 = 1,856.11/x
  3. Step 3: Cross multiply
    4,198.63x = 6,292.78 × 1,856.11
  4. Step 4: Simplify right side
    4,198.63x = 11,680,091.89
  5. Step 5: Solve for x
    x = 11,680,091.89/4,198.63
  6. Step 6: Final answer
    x = 2,781.88

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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.