Home / 2,203.78-3,032.97-2,026.80

Finding the Fourth Proportional to 2,203.78, 3,032.97 and 2,026.80

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Solution

The fourth proportional to 2,203.78, 3,032.97 and 2,026.80 is: 2,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.78 : 3,032.97 = 2,026.80 : x
  2. Step 2: Convert to fraction form
    2,203.78/3,032.97 = 2,026.80/x
  3. Step 3: Cross multiply
    2,203.78x = 3,032.97 × 2,026.80
  4. Step 4: Simplify right side
    2,203.78x = 6,147,223.60
  5. Step 5: Solve for x
    x = 6,147,223.60/2,203.78
  6. Step 6: Final answer
    x = 2,789.40

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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.