Home / 2,711.36-3,741.05-2,040.81

Finding the Fourth Proportional to 2,711.36, 3,741.05 and 2,040.81

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Solution

The fourth proportional to 2,711.36, 3,741.05 and 2,040.81 is: 2,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.36 : 3,741.05 = 2,040.81 : x
  2. Step 2: Convert to fraction form
    2,711.36/3,741.05 = 2,040.81/x
  3. Step 3: Cross multiply
    2,711.36x = 3,741.05 × 2,040.81
  4. Step 4: Simplify right side
    2,711.36x = 7,634,772.25
  5. Step 5: Solve for x
    x = 7,634,772.25/2,711.36
  6. Step 6: Final answer
    x = 2,815.85

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Why These Related Problems?

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