Home / 2,110.93-3,166.44-724.25

Finding the Fourth Proportional to 2,110.93, 3,166.44 and 724.25

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Solution

The fourth proportional to 2,110.93, 3,166.44 and 724.25 is: 1,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.93 : 3,166.44 = 724.25 : x
  2. Step 2: Convert to fraction form
    2,110.93/3,166.44 = 724.25/x
  3. Step 3: Cross multiply
    2,110.93x = 3,166.44 × 724.25
  4. Step 4: Simplify right side
    2,110.93x = 2,293,294.17
  5. Step 5: Solve for x
    x = 2,293,294.17/2,110.93
  6. Step 6: Final answer
    x = 1,086.39

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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.