Home / 1,514.22-2,087.26-1,198.05

Finding the Fourth Proportional to 1,514.22, 2,087.26 and 1,198.05

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Solution

The fourth proportional to 1,514.22, 2,087.26 and 1,198.05 is: 1,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.22 : 2,087.26 = 1,198.05 : x
  2. Step 2: Convert to fraction form
    1,514.22/2,087.26 = 1,198.05/x
  3. Step 3: Cross multiply
    1,514.22x = 2,087.26 × 1,198.05
  4. Step 4: Simplify right side
    1,514.22x = 2,500,641.84
  5. Step 5: Solve for x
    x = 2,500,641.84/1,514.22
  6. Step 6: Final answer
    x = 1,651.44

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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.