Home / 3,924.25-5,418.20-2,746.92

Finding the Fourth Proportional to 3,924.25, 5,418.20 and 2,746.92

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Solution

The fourth proportional to 3,924.25, 5,418.20 and 2,746.92 is: 3,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.25 : 5,418.20 = 2,746.92 : x
  2. Step 2: Convert to fraction form
    3,924.25/5,418.20 = 2,746.92/x
  3. Step 3: Cross multiply
    3,924.25x = 5,418.20 × 2,746.92
  4. Step 4: Simplify right side
    3,924.25x = 14,883,361.94
  5. Step 5: Solve for x
    x = 14,883,361.94/3,924.25
  6. Step 6: Final answer
    x = 3,792.66

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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.