Home / 6,105.20-9,157.82-1,722.66

Finding the Fourth Proportional to 6,105.20, 9,157.82 and 1,722.66

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Solution

The fourth proportional to 6,105.20, 9,157.82 and 1,722.66 is: 2,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,105.20 : 9,157.82 = 1,722.66 : x
  2. Step 2: Convert to fraction form
    6,105.20/9,157.82 = 1,722.66/x
  3. Step 3: Cross multiply
    6,105.20x = 9,157.82 × 1,722.66
  4. Step 4: Simplify right side
    6,105.20x = 15,775,810.20
  5. Step 5: Solve for x
    x = 15,775,810.20/6,105.20
  6. Step 6: Final answer
    x = 2,584.00

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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.