Home / 2,213.67-3,316.19-1,724.43

Finding the Fourth Proportional to 2,213.67, 3,316.19 and 1,724.43

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Solution

The fourth proportional to 2,213.67, 3,316.19 and 1,724.43 is: 2,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.67 : 3,316.19 = 1,724.43 : x
  2. Step 2: Convert to fraction form
    2,213.67/3,316.19 = 1,724.43/x
  3. Step 3: Cross multiply
    2,213.67x = 3,316.19 × 1,724.43
  4. Step 4: Simplify right side
    2,213.67x = 5,718,528.90
  5. Step 5: Solve for x
    x = 5,718,528.90/2,213.67
  6. Step 6: Final answer
    x = 2,583.28

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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.