Home / 2,982.44-4,116.28-1,723.28

Finding the Fourth Proportional to 2,982.44, 4,116.28 and 1,723.28

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Solution

The fourth proportional to 2,982.44, 4,116.28 and 1,723.28 is: 2,378.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.44 : 4,116.28 = 1,723.28 : x
  2. Step 2: Convert to fraction form
    2,982.44/4,116.28 = 1,723.28/x
  3. Step 3: Cross multiply
    2,982.44x = 4,116.28 × 1,723.28
  4. Step 4: Simplify right side
    2,982.44x = 7,093,478.11
  5. Step 5: Solve for x
    x = 7,093,478.11/2,982.44
  6. Step 6: Final answer
    x = 2,378.42

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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.