Home / 5,192.11-7,165.15-2,834.31

Finding the Fourth Proportional to 5,192.11, 7,165.15 and 2,834.31

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Solution

The fourth proportional to 5,192.11, 7,165.15 and 2,834.31 is: 3,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.11 : 7,165.15 = 2,834.31 : x
  2. Step 2: Convert to fraction form
    5,192.11/7,165.15 = 2,834.31/x
  3. Step 3: Cross multiply
    5,192.11x = 7,165.15 × 2,834.31
  4. Step 4: Simplify right side
    5,192.11x = 20,308,249.21
  5. Step 5: Solve for x
    x = 20,308,249.21/5,192.11
  6. Step 6: Final answer
    x = 3,911.37

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1.5x scale

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.