Home / 7,191.22-10,786.54-2,261.02

Finding the Fourth Proportional to 7,191.22, 10,786.54 and 2,261.02

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Solution

The fourth proportional to 7,191.22, 10,786.54 and 2,261.02 is: 3,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.22 : 10,786.54 = 2,261.02 : x
  2. Step 2: Convert to fraction form
    7,191.22/10,786.54 = 2,261.02/x
  3. Step 3: Cross multiply
    7,191.22x = 10,786.54 × 2,261.02
  4. Step 4: Simplify right side
    7,191.22x = 24,388,582.67
  5. Step 5: Solve for x
    x = 24,388,582.67/7,191.22
  6. Step 6: Final answer
    x = 3,391.44

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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.