Home / 4,781.33-7,183.27-2,812.00

Finding the Fourth Proportional to 4,781.33, 7,183.27 and 2,812.00

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Solution

The fourth proportional to 4,781.33, 7,183.27 and 2,812.00 is: 4,224.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.33 : 7,183.27 = 2,812.00 : x
  2. Step 2: Convert to fraction form
    4,781.33/7,183.27 = 2,812.00/x
  3. Step 3: Cross multiply
    4,781.33x = 7,183.27 × 2,812.00
  4. Step 4: Simplify right side
    4,781.33x = 20,199,380.62
  5. Step 5: Solve for x
    x = 20,199,380.62/4,781.33
  6. Step 6: Final answer
    x = 4,224.64

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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.