Home / 1,362.22-2,040.36-1,067.74

Finding the Fourth Proportional to 1,362.22, 2,040.36 and 1,067.74

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Solution

The fourth proportional to 1,362.22, 2,040.36 and 1,067.74 is: 1,599.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362.22 : 2,040.36 = 1,067.74 : x
  2. Step 2: Convert to fraction form
    1,362.22/2,040.36 = 1,067.74/x
  3. Step 3: Cross multiply
    1,362.22x = 2,040.36 × 1,067.74
  4. Step 4: Simplify right side
    1,362.22x = 2,178,573.99
  5. Step 5: Solve for x
    x = 2,178,573.99/1,362.22
  6. Step 6: Final answer
    x = 1,599.28

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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.