Home / 2,195.33-3,032.39-1,778.45

Finding the Fourth Proportional to 2,195.33, 3,032.39 and 1,778.45

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Solution

The fourth proportional to 2,195.33, 3,032.39 and 1,778.45 is: 2,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.33 : 3,032.39 = 1,778.45 : x
  2. Step 2: Convert to fraction form
    2,195.33/3,032.39 = 1,778.45/x
  3. Step 3: Cross multiply
    2,195.33x = 3,032.39 × 1,778.45
  4. Step 4: Simplify right side
    2,195.33x = 5,392,943.28
  5. Step 5: Solve for x
    x = 5,392,943.28/2,195.33
  6. Step 6: Final answer
    x = 2,456.56

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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.