Home / 2,195.22-3,029.50-1,200.46

Finding the Fourth Proportional to 2,195.22, 3,029.50 and 1,200.46

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Solution

The fourth proportional to 2,195.22, 3,029.50 and 1,200.46 is: 1,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.22 : 3,029.50 = 1,200.46 : x
  2. Step 2: Convert to fraction form
    2,195.22/3,029.50 = 1,200.46/x
  3. Step 3: Cross multiply
    2,195.22x = 3,029.50 × 1,200.46
  4. Step 4: Simplify right side
    2,195.22x = 3,636,793.57
  5. Step 5: Solve for x
    x = 3,636,793.57/2,195.22
  6. Step 6: Final answer
    x = 1,656.69

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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.