Home / 6,786.68-10,182.54-2,170.04

Finding the Fourth Proportional to 6,786.68, 10,182.54 and 2,170.04

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Solution

The fourth proportional to 6,786.68, 10,182.54 and 2,170.04 is: 3,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.68 : 10,182.54 = 2,170.04 : x
  2. Step 2: Convert to fraction form
    6,786.68/10,182.54 = 2,170.04/x
  3. Step 3: Cross multiply
    6,786.68x = 10,182.54 × 2,170.04
  4. Step 4: Simplify right side
    6,786.68x = 22,096,519.10
  5. Step 5: Solve for x
    x = 22,096,519.10/6,786.68
  6. Step 6: Final answer
    x = 3,255.87

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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.