Home / 3,583.76-4,945.61-1,990.44

Finding the Fourth Proportional to 3,583.76, 4,945.61 and 1,990.44

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Solution

The fourth proportional to 3,583.76, 4,945.61 and 1,990.44 is: 2,746.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,583.76 : 4,945.61 = 1,990.44 : x
  2. Step 2: Convert to fraction form
    3,583.76/4,945.61 = 1,990.44/x
  3. Step 3: Cross multiply
    3,583.76x = 4,945.61 × 1,990.44
  4. Step 4: Simplify right side
    3,583.76x = 9,843,944.94
  5. Step 5: Solve for x
    x = 9,843,944.94/3,583.76
  6. Step 6: Final answer
    x = 2,746.82

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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.