Home / 2,195.22-3,292.86-2,160.42

Finding the Fourth Proportional to 2,195.22, 3,292.86 and 2,160.42

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Solution

The fourth proportional to 2,195.22, 3,292.86 and 2,160.42 is: 3,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.22 : 3,292.86 = 2,160.42 : x
  2. Step 2: Convert to fraction form
    2,195.22/3,292.86 = 2,160.42/x
  3. Step 3: Cross multiply
    2,195.22x = 3,292.86 × 2,160.42
  4. Step 4: Simplify right side
    2,195.22x = 7,113,960.60
  5. Step 5: Solve for x
    x = 7,113,960.60/2,195.22
  6. Step 6: Final answer
    x = 3,240.66

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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.