Home / 2,293.24-3,161.82-2,170.12

Finding the Fourth Proportional to 2,293.24, 3,161.82 and 2,170.12

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Solution

The fourth proportional to 2,293.24, 3,161.82 and 2,170.12 is: 2,992.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,293.24 : 3,161.82 = 2,170.12 : x
  2. Step 2: Convert to fraction form
    2,293.24/3,161.82 = 2,170.12/x
  3. Step 3: Cross multiply
    2,293.24x = 3,161.82 × 2,170.12
  4. Step 4: Simplify right side
    2,293.24x = 6,861,528.82
  5. Step 5: Solve for x
    x = 6,861,528.82/2,293.24
  6. Step 6: Final answer
    x = 2,992.07

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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.