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Finding the Fourth Proportional to 5,792.22, 7,991.19 and 3,522.78

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Solution

The fourth proportional to 5,792.22, 7,991.19 and 3,522.78 is: 4,860.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,792.22 : 7,991.19 = 3,522.78 : x
  2. Step 2: Convert to fraction form
    5,792.22/7,991.19 = 3,522.78/x
  3. Step 3: Cross multiply
    5,792.22x = 7,991.19 × 3,522.78
  4. Step 4: Simplify right side
    5,792.22x = 28,151,204.31
  5. Step 5: Solve for x
    x = 28,151,204.31/5,792.22
  6. Step 6: Final answer
    x = 4,860.18

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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.