Home / 2,738.72-3,780.02-1,743.77

Finding the Fourth Proportional to 2,738.72, 3,780.02 and 1,743.77

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Solution

The fourth proportional to 2,738.72, 3,780.02 and 1,743.77 is: 2,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.72 : 3,780.02 = 1,743.77 : x
  2. Step 2: Convert to fraction form
    2,738.72/3,780.02 = 1,743.77/x
  3. Step 3: Cross multiply
    2,738.72x = 3,780.02 × 1,743.77
  4. Step 4: Simplify right side
    2,738.72x = 6,591,499.28
  5. Step 5: Solve for x
    x = 6,591,499.28/2,738.72
  6. Step 6: Final answer
    x = 2,406.78

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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.