Home / 2,040.81-3,061.66-742.27

Finding the Fourth Proportional to 2,040.81, 3,061.66 and 742.27

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Solution

The fourth proportional to 2,040.81, 3,061.66 and 742.27 is: 1,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.81 : 3,061.66 = 742.27 : x
  2. Step 2: Convert to fraction form
    2,040.81/3,061.66 = 742.27/x
  3. Step 3: Cross multiply
    2,040.81x = 3,061.66 × 742.27
  4. Step 4: Simplify right side
    2,040.81x = 2,272,574.66
  5. Step 5: Solve for x
    x = 2,272,574.66/2,040.81
  6. Step 6: Final answer
    x = 1,113.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.