Home / 2,067.19-2,852.72-1,122.98

Finding the Fourth Proportional to 2,067.19, 2,852.72 and 1,122.98

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Solution

The fourth proportional to 2,067.19, 2,852.72 and 1,122.98 is: 1,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.19 : 2,852.72 = 1,122.98 : x
  2. Step 2: Convert to fraction form
    2,067.19/2,852.72 = 1,122.98/x
  3. Step 3: Cross multiply
    2,067.19x = 2,852.72 × 1,122.98
  4. Step 4: Simplify right side
    2,067.19x = 3,203,547.88
  5. Step 5: Solve for x
    x = 3,203,547.88/2,067.19
  6. Step 6: Final answer
    x = 1,549.71

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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.