Home / 4,820.76-7,229.30-2,321.51

Finding the Fourth Proportional to 4,820.76, 7,229.30 and 2,321.51

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Solution

The fourth proportional to 4,820.76, 7,229.30 and 2,321.51 is: 3,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.76 : 7,229.30 = 2,321.51 : x
  2. Step 2: Convert to fraction form
    4,820.76/7,229.30 = 2,321.51/x
  3. Step 3: Cross multiply
    4,820.76x = 7,229.30 × 2,321.51
  4. Step 4: Simplify right side
    4,820.76x = 16,782,844.49
  5. Step 5: Solve for x
    x = 16,782,844.49/4,820.76
  6. Step 6: Final answer
    x = 3,481.37

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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.