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Finding the Fourth Proportional to 2,888.22, 3,983.13 and 1,893.14

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Solution

The fourth proportional to 2,888.22, 3,983.13 and 1,893.14 is: 2,610.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888.22 : 3,983.13 = 1,893.14 : x
  2. Step 2: Convert to fraction form
    2,888.22/3,983.13 = 1,893.14/x
  3. Step 3: Cross multiply
    2,888.22x = 3,983.13 × 1,893.14
  4. Step 4: Simplify right side
    2,888.22x = 7,540,622.73
  5. Step 5: Solve for x
    x = 7,540,622.73/2,888.22
  6. Step 6: Final answer
    x = 2,610.82

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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.