Home / 7,934.26-11,897.23-2,738.90

Finding the Fourth Proportional to 7,934.26, 11,897.23 and 2,738.90

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Solution

The fourth proportional to 7,934.26, 11,897.23 and 2,738.90 is: 4,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.26 : 11,897.23 = 2,738.90 : x
  2. Step 2: Convert to fraction form
    7,934.26/11,897.23 = 2,738.90/x
  3. Step 3: Cross multiply
    7,934.26x = 11,897.23 × 2,738.90
  4. Step 4: Simplify right side
    7,934.26x = 32,585,323.25
  5. Step 5: Solve for x
    x = 32,585,323.25/7,934.26
  6. Step 6: Final answer
    x = 4,106.91

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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.