Home / 6,625.25-9,142.81-3,792.61

Finding the Fourth Proportional to 6,625.25, 9,142.81 and 3,792.61

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Solution

The fourth proportional to 6,625.25, 9,142.81 and 3,792.61 is: 5,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.25 : 9,142.81 = 3,792.61 : x
  2. Step 2: Convert to fraction form
    6,625.25/9,142.81 = 3,792.61/x
  3. Step 3: Cross multiply
    6,625.25x = 9,142.81 × 3,792.61
  4. Step 4: Simplify right side
    6,625.25x = 34,675,112.63
  5. Step 5: Solve for x
    x = 34,675,112.63/6,625.25
  6. Step 6: Final answer
    x = 5,233.78

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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.