Home / 5,192.20-7,165.26-2,834.39

Finding the Fourth Proportional to 5,192.20, 7,165.26 and 2,834.39

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Solution

The fourth proportional to 5,192.20, 7,165.26 and 2,834.39 is: 3,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.20 : 7,165.26 = 2,834.39 : x
  2. Step 2: Convert to fraction form
    5,192.20/7,165.26 = 2,834.39/x
  3. Step 3: Cross multiply
    5,192.20x = 7,165.26 × 2,834.39
  4. Step 4: Simplify right side
    5,192.20x = 20,309,159.20
  5. Step 5: Solve for x
    x = 20,309,159.20/5,192.20
  6. Step 6: Final answer
    x = 3,911.47

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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.