Home / 6,976.88-10,458.72-2,591.36

Finding the Fourth Proportional to 6,976.88, 10,458.72 and 2,591.36

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Solution

The fourth proportional to 6,976.88, 10,458.72 and 2,591.36 is: 3,884.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.88 : 10,458.72 = 2,591.36 : x
  2. Step 2: Convert to fraction form
    6,976.88/10,458.72 = 2,591.36/x
  3. Step 3: Cross multiply
    6,976.88x = 10,458.72 × 2,591.36
  4. Step 4: Simplify right side
    6,976.88x = 27,102,308.66
  5. Step 5: Solve for x
    x = 27,102,308.66/6,976.88
  6. Step 6: Final answer
    x = 3,884.59

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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.