Home / 6,876.80-10,315.26-2,494.47

Finding the Fourth Proportional to 6,876.80, 10,315.26 and 2,494.47

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Solution

The fourth proportional to 6,876.80, 10,315.26 and 2,494.47 is: 3,741.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.80 : 10,315.26 = 2,494.47 : x
  2. Step 2: Convert to fraction form
    6,876.80/10,315.26 = 2,494.47/x
  3. Step 3: Cross multiply
    6,876.80x = 10,315.26 × 2,494.47
  4. Step 4: Simplify right side
    6,876.80x = 25,731,106.61
  5. Step 5: Solve for x
    x = 25,731,106.61/6,876.80
  6. Step 6: Final answer
    x = 3,741.73

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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.