Home / 2,015.41-2,781.10-1,119.05

Finding the Fourth Proportional to 2,015.41, 2,781.10 and 1,119.05

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Solution

The fourth proportional to 2,015.41, 2,781.10 and 1,119.05 is: 1,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.41 : 2,781.10 = 1,119.05 : x
  2. Step 2: Convert to fraction form
    2,015.41/2,781.10 = 1,119.05/x
  3. Step 3: Cross multiply
    2,015.41x = 2,781.10 × 1,119.05
  4. Step 4: Simplify right side
    2,015.41x = 3,112,189.96
  5. Step 5: Solve for x
    x = 3,112,189.96/2,015.41
  6. Step 6: Final answer
    x = 1,544.20

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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.