Home / 1,414.37-2,120.40-1,067.01

Finding the Fourth Proportional to 1,414.37, 2,120.40 and 1,067.01

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Solution

The fourth proportional to 1,414.37, 2,120.40 and 1,067.01 is: 1,599.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.37 : 2,120.40 = 1,067.01 : x
  2. Step 2: Convert to fraction form
    1,414.37/2,120.40 = 1,067.01/x
  3. Step 3: Cross multiply
    1,414.37x = 2,120.40 × 1,067.01
  4. Step 4: Simplify right side
    1,414.37x = 2,262,488.00
  5. Step 5: Solve for x
    x = 2,262,488.00/1,414.37
  6. Step 6: Final answer
    x = 1,599.65

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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.