Home / 4,792.20-7,179.18-2,812.97

Finding the Fourth Proportional to 4,792.20, 7,179.18 and 2,812.97

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Solution

The fourth proportional to 4,792.20, 7,179.18 and 2,812.97 is: 4,214.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,792.20 : 7,179.18 = 2,812.97 : x
  2. Step 2: Convert to fraction form
    4,792.20/7,179.18 = 2,812.97/x
  3. Step 3: Cross multiply
    4,792.20x = 7,179.18 × 2,812.97
  4. Step 4: Simplify right side
    4,792.20x = 20,194,782.07
  5. Step 5: Solve for x
    x = 20,194,782.07/4,792.20
  6. Step 6: Final answer
    x = 4,214.09

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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.