Home / 3,696.24-5,531.88-3,111.96

Finding the Fourth Proportional to 3,696.24, 5,531.88 and 3,111.96

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Solution

The fourth proportional to 3,696.24, 5,531.88 and 3,111.96 is: 4,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.24 : 5,531.88 = 3,111.96 : x
  2. Step 2: Convert to fraction form
    3,696.24/5,531.88 = 3,111.96/x
  3. Step 3: Cross multiply
    3,696.24x = 5,531.88 × 3,111.96
  4. Step 4: Simplify right side
    3,696.24x = 17,214,989.28
  5. Step 5: Solve for x
    x = 17,214,989.28/3,696.24
  6. Step 6: Final answer
    x = 4,657.43

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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.