Home / 3,061.20-4,224.44-1,663.96

Finding the Fourth Proportional to 3,061.20, 4,224.44 and 1,663.96

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Solution

The fourth proportional to 3,061.20, 4,224.44 and 1,663.96 is: 2,296.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.20 : 4,224.44 = 1,663.96 : x
  2. Step 2: Convert to fraction form
    3,061.20/4,224.44 = 1,663.96/x
  3. Step 3: Cross multiply
    3,061.20x = 4,224.44 × 1,663.96
  4. Step 4: Simplify right side
    3,061.20x = 7,029,299.18
  5. Step 5: Solve for x
    x = 7,029,299.18/3,061.20
  6. Step 6: Final answer
    x = 2,296.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.