Home / 2,675.88-4,013.82-1,116.54

Finding the Fourth Proportional to 2,675.88, 4,013.82 and 1,116.54

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Solution

The fourth proportional to 2,675.88, 4,013.82 and 1,116.54 is: 1,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.88 : 4,013.82 = 1,116.54 : x
  2. Step 2: Convert to fraction form
    2,675.88/4,013.82 = 1,116.54/x
  3. Step 3: Cross multiply
    2,675.88x = 4,013.82 × 1,116.54
  4. Step 4: Simplify right side
    2,675.88x = 4,481,590.58
  5. Step 5: Solve for x
    x = 4,481,590.58/2,675.88
  6. Step 6: Final answer
    x = 1,674.81

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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.