Home / 2,907.14-4,013.33-1,967.89

Finding the Fourth Proportional to 2,907.14, 4,013.33 and 1,967.89

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Solution

The fourth proportional to 2,907.14, 4,013.33 and 1,967.89 is: 2,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.14 : 4,013.33 = 1,967.89 : x
  2. Step 2: Convert to fraction form
    2,907.14/4,013.33 = 1,967.89/x
  3. Step 3: Cross multiply
    2,907.14x = 4,013.33 × 1,967.89
  4. Step 4: Simplify right side
    2,907.14x = 7,897,791.97
  5. Step 5: Solve for x
    x = 7,897,791.97/2,907.14
  6. Step 6: Final answer
    x = 2,716.69

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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.