Home / 2,109.02-3,163.62-1,743.14

Finding the Fourth Proportional to 2,109.02, 3,163.62 and 1,743.14

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Solution

The fourth proportional to 2,109.02, 3,163.62 and 1,743.14 is: 2,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.02 : 3,163.62 = 1,743.14 : x
  2. Step 2: Convert to fraction form
    2,109.02/3,163.62 = 1,743.14/x
  3. Step 3: Cross multiply
    2,109.02x = 3,163.62 × 1,743.14
  4. Step 4: Simplify right side
    2,109.02x = 5,514,632.57
  5. Step 5: Solve for x
    x = 5,514,632.57/2,109.02
  6. Step 6: Final answer
    x = 2,614.78

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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.