Home / 7,673.82-11,510.37-2,743.80

Finding the Fourth Proportional to 7,673.82, 11,510.37 and 2,743.80

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Solution

The fourth proportional to 7,673.82, 11,510.37 and 2,743.80 is: 4,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.82 : 11,510.37 = 2,743.80 : x
  2. Step 2: Convert to fraction form
    7,673.82/11,510.37 = 2,743.80/x
  3. Step 3: Cross multiply
    7,673.82x = 11,510.37 × 2,743.80
  4. Step 4: Simplify right side
    7,673.82x = 31,582,153.21
  5. Step 5: Solve for x
    x = 31,582,153.21/7,673.82
  6. Step 6: Final answer
    x = 4,115.57

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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.