Home / 5,172.22-7,759.68-3,324.25

Finding the Fourth Proportional to 5,172.22, 7,759.68 and 3,324.25

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Solution

The fourth proportional to 5,172.22, 7,759.68 and 3,324.25 is: 4,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.22 : 7,759.68 = 3,324.25 : x
  2. Step 2: Convert to fraction form
    5,172.22/7,759.68 = 3,324.25/x
  3. Step 3: Cross multiply
    5,172.22x = 7,759.68 × 3,324.25
  4. Step 4: Simplify right side
    5,172.22x = 25,795,116.24
  5. Step 5: Solve for x
    x = 25,795,116.24/5,172.22
  6. Step 6: Final answer
    x = 4,987.24

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1.5x scale

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.