Home / 5,092.25-7,638.30-1,394.48

Finding the Fourth Proportional to 5,092.25, 7,638.30 and 1,394.48

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Solution

The fourth proportional to 5,092.25, 7,638.30 and 1,394.48 is: 2,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.25 : 7,638.30 = 1,394.48 : x
  2. Step 2: Convert to fraction form
    5,092.25/7,638.30 = 1,394.48/x
  3. Step 3: Cross multiply
    5,092.25x = 7,638.30 × 1,394.48
  4. Step 4: Simplify right side
    5,092.25x = 10,651,456.58
  5. Step 5: Solve for x
    x = 10,651,456.58/5,092.25
  6. Step 6: Final answer
    x = 2,091.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.