Home / 4,966.20-7,449.30-3,216.60

Finding the Fourth Proportional to 4,966.20, 7,449.30 and 3,216.60

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Solution

The fourth proportional to 4,966.20, 7,449.30 and 3,216.60 is: 4,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966.20 : 7,449.30 = 3,216.60 : x
  2. Step 2: Convert to fraction form
    4,966.20/7,449.30 = 3,216.60/x
  3. Step 3: Cross multiply
    4,966.20x = 7,449.30 × 3,216.60
  4. Step 4: Simplify right side
    4,966.20x = 23,961,418.38
  5. Step 5: Solve for x
    x = 23,961,418.38/4,966.20
  6. Step 6: Final answer
    x = 4,824.90

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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.