Home / 7,792.20-10,753.07-4,255.43

Finding the Fourth Proportional to 7,792.20, 10,753.07 and 4,255.43

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Solution

The fourth proportional to 7,792.20, 10,753.07 and 4,255.43 is: 5,872.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792.20 : 10,753.07 = 4,255.43 : x
  2. Step 2: Convert to fraction form
    7,792.20/10,753.07 = 4,255.43/x
  3. Step 3: Cross multiply
    7,792.20x = 10,753.07 × 4,255.43
  4. Step 4: Simplify right side
    7,792.20x = 45,758,861.63
  5. Step 5: Solve for x
    x = 45,758,861.63/7,792.20
  6. Step 6: Final answer
    x = 5,872.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.