Home / 3,521.67-4,859.91-1,949.73

Finding the Fourth Proportional to 3,521.67, 4,859.91 and 1,949.73

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Solution

The fourth proportional to 3,521.67, 4,859.91 and 1,949.73 is: 2,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.67 : 4,859.91 = 1,949.73 : x
  2. Step 2: Convert to fraction form
    3,521.67/4,859.91 = 1,949.73/x
  3. Step 3: Cross multiply
    3,521.67x = 4,859.91 × 1,949.73
  4. Step 4: Simplify right side
    3,521.67x = 9,475,512.32
  5. Step 5: Solve for x
    x = 9,475,512.32/3,521.67
  6. Step 6: Final answer
    x = 2,690.63

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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.