Home / 7,763.39-11,649.86-3,082.58

Finding the Fourth Proportional to 7,763.39, 11,649.86 and 3,082.58

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Solution

The fourth proportional to 7,763.39, 11,649.86 and 3,082.58 is: 4,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,763.39 : 11,649.86 = 3,082.58 : x
  2. Step 2: Convert to fraction form
    7,763.39/11,649.86 = 3,082.58/x
  3. Step 3: Cross multiply
    7,763.39x = 11,649.86 × 3,082.58
  4. Step 4: Simplify right side
    7,763.39x = 35,911,610.03
  5. Step 5: Solve for x
    x = 35,911,610.03/7,763.39
  6. Step 6: Final answer
    x = 4,625.76

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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.