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Finding the Fourth Proportional to 3,538.57, 4,883.16 and 1,945.26

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Solution

The fourth proportional to 3,538.57, 4,883.16 and 1,945.26 is: 2,684.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.57 : 4,883.16 = 1,945.26 : x
  2. Step 2: Convert to fraction form
    3,538.57/4,883.16 = 1,945.26/x
  3. Step 3: Cross multiply
    3,538.57x = 4,883.16 × 1,945.26
  4. Step 4: Simplify right side
    3,538.57x = 9,498,991.41
  5. Step 5: Solve for x
    x = 9,498,991.41/3,538.57
  6. Step 6: Final answer
    x = 2,684.42

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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.