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Finding the Fourth Proportional to 2,796.63, 3,858.69 and 2,237.57

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Solution

The fourth proportional to 2,796.63, 3,858.69 and 2,237.57 is: 3,087.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.63 : 3,858.69 = 2,237.57 : x
  2. Step 2: Convert to fraction form
    2,796.63/3,858.69 = 2,237.57/x
  3. Step 3: Cross multiply
    2,796.63x = 3,858.69 × 2,237.57
  4. Step 4: Simplify right side
    2,796.63x = 8,634,101.67
  5. Step 5: Solve for x
    x = 8,634,101.67/2,796.63
  6. Step 6: Final answer
    x = 3,087.33

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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.