Home / 3,792.26-5,231.32-2,611.28

Finding the Fourth Proportional to 3,792.26, 5,231.32 and 2,611.28

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Solution

The fourth proportional to 3,792.26, 5,231.32 and 2,611.28 is: 3,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.26 : 5,231.32 = 2,611.28 : x
  2. Step 2: Convert to fraction form
    3,792.26/5,231.32 = 2,611.28/x
  3. Step 3: Cross multiply
    3,792.26x = 5,231.32 × 2,611.28
  4. Step 4: Simplify right side
    3,792.26x = 13,660,441.29
  5. Step 5: Solve for x
    x = 13,660,441.29/3,792.26
  6. Step 6: Final answer
    x = 3,602.19

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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.