Home / 2,616.66-3,922.80-1,792.92

Finding the Fourth Proportional to 2,616.66, 3,922.80 and 1,792.92

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Solution

The fourth proportional to 2,616.66, 3,922.80 and 1,792.92 is: 2,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.66 : 3,922.80 = 1,792.92 : x
  2. Step 2: Convert to fraction form
    2,616.66/3,922.80 = 1,792.92/x
  3. Step 3: Cross multiply
    2,616.66x = 3,922.80 × 1,792.92
  4. Step 4: Simplify right side
    2,616.66x = 7,033,266.58
  5. Step 5: Solve for x
    x = 7,033,266.58/2,616.66
  6. Step 6: Final answer
    x = 2,687.88

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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.