Home / 3,719.41-5,132.83-2,040.81

Finding the Fourth Proportional to 3,719.41, 5,132.83 and 2,040.81

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Solution

The fourth proportional to 3,719.41, 5,132.83 and 2,040.81 is: 2,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.41 : 5,132.83 = 2,040.81 : x
  2. Step 2: Convert to fraction form
    3,719.41/5,132.83 = 2,040.81/x
  3. Step 3: Cross multiply
    3,719.41x = 5,132.83 × 2,040.81
  4. Step 4: Simplify right side
    3,719.41x = 10,475,130.79
  5. Step 5: Solve for x
    x = 10,475,130.79/3,719.41
  6. Step 6: Final answer
    x = 2,816.34

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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.