Home / 2,112.36-3,167.19-1,014.54

Finding the Fourth Proportional to 2,112.36, 3,167.19 and 1,014.54

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Solution

The fourth proportional to 2,112.36, 3,167.19 and 1,014.54 is: 1,521.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112.36 : 3,167.19 = 1,014.54 : x
  2. Step 2: Convert to fraction form
    2,112.36/3,167.19 = 1,014.54/x
  3. Step 3: Cross multiply
    2,112.36x = 3,167.19 × 1,014.54
  4. Step 4: Simplify right side
    2,112.36x = 3,213,240.94
  5. Step 5: Solve for x
    x = 3,213,240.94/2,112.36
  6. Step 6: Final answer
    x = 1,521.16

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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.