Home / 4,800.76-7,198.07-3,315.83

Finding the Fourth Proportional to 4,800.76, 7,198.07 and 3,315.83

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Solution

The fourth proportional to 4,800.76, 7,198.07 and 3,315.83 is: 4,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.76 : 7,198.07 = 3,315.83 : x
  2. Step 2: Convert to fraction form
    4,800.76/7,198.07 = 3,315.83/x
  3. Step 3: Cross multiply
    4,800.76x = 7,198.07 × 3,315.83
  4. Step 4: Simplify right side
    4,800.76x = 23,867,523.88
  5. Step 5: Solve for x
    x = 23,867,523.88/4,800.76
  6. Step 6: Final answer
    x = 4,971.62

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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.