Home / 3,792.05-5,232.43-2,112.92

Finding the Fourth Proportional to 3,792.05, 5,232.43 and 2,112.92

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Solution

The fourth proportional to 3,792.05, 5,232.43 and 2,112.92 is: 2,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.05 : 5,232.43 = 2,112.92 : x
  2. Step 2: Convert to fraction form
    3,792.05/5,232.43 = 2,112.92/x
  3. Step 3: Cross multiply
    3,792.05x = 5,232.43 × 2,112.92
  4. Step 4: Simplify right side
    3,792.05x = 11,055,706.00
  5. Step 5: Solve for x
    x = 11,055,706.00/3,792.05
  6. Step 6: Final answer
    x = 2,915.50

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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.