Home / 6,789.68-10,182.48-2,108.60

Finding the Fourth Proportional to 6,789.68, 10,182.48 and 2,108.60

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Solution

The fourth proportional to 6,789.68, 10,182.48 and 2,108.60 is: 3,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.68 : 10,182.48 = 2,108.60 : x
  2. Step 2: Convert to fraction form
    6,789.68/10,182.48 = 2,108.60/x
  3. Step 3: Cross multiply
    6,789.68x = 10,182.48 × 2,108.60
  4. Step 4: Simplify right side
    6,789.68x = 21,470,777.33
  5. Step 5: Solve for x
    x = 21,470,777.33/6,789.68
  6. Step 6: Final answer
    x = 3,162.27

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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.