Home / 6,685.62-10,031.85-2,739.75

Finding the Fourth Proportional to 6,685.62, 10,031.85 and 2,739.75

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Solution

The fourth proportional to 6,685.62, 10,031.85 and 2,739.75 is: 4,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,685.62 : 10,031.85 = 2,739.75 : x
  2. Step 2: Convert to fraction form
    6,685.62/10,031.85 = 2,739.75/x
  3. Step 3: Cross multiply
    6,685.62x = 10,031.85 × 2,739.75
  4. Step 4: Simplify right side
    6,685.62x = 27,484,761.04
  5. Step 5: Solve for x
    x = 27,484,761.04/6,685.62
  6. Step 6: Final answer
    x = 4,111.03

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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.