Home / 3,910.52-5,865.62-1,937.62

Finding the Fourth Proportional to 3,910.52, 5,865.62 and 1,937.62

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Solution

The fourth proportional to 3,910.52, 5,865.62 and 1,937.62 is: 2,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.52 : 5,865.62 = 1,937.62 : x
  2. Step 2: Convert to fraction form
    3,910.52/5,865.62 = 1,937.62/x
  3. Step 3: Cross multiply
    3,910.52x = 5,865.62 × 1,937.62
  4. Step 4: Simplify right side
    3,910.52x = 11,365,342.62
  5. Step 5: Solve for x
    x = 11,365,342.62/3,910.52
  6. Step 6: Final answer
    x = 2,906.35

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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.