Home / 6,105.88-9,159.48-2,209.42

Finding the Fourth Proportional to 6,105.88, 9,159.48 and 2,209.42

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Solution

The fourth proportional to 6,105.88, 9,159.48 and 2,209.42 is: 3,314.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.88 : 9,159.48 = 2,209.42 : x
  2. Step 2: Convert to fraction form
    6,105.88/9,159.48 = 2,209.42/x
  3. Step 3: Cross multiply
    6,105.88x = 9,159.48 × 2,209.42
  4. Step 4: Simplify right side
    6,105.88x = 20,237,138.30
  5. Step 5: Solve for x
    x = 20,237,138.30/6,105.88
  6. Step 6: Final answer
    x = 3,314.37

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1.5x scale

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.