Home / 3,521.73-4,859.69-1,949.43

Finding the Fourth Proportional to 3,521.73, 4,859.69 and 1,949.43

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Solution

The fourth proportional to 3,521.73, 4,859.69 and 1,949.43 is: 2,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,521.73 : 4,859.69 = 1,949.43 : x
  2. Step 2: Convert to fraction form
    3,521.73/4,859.69 = 1,949.43/x
  3. Step 3: Cross multiply
    3,521.73x = 4,859.69 × 1,949.43
  4. Step 4: Simplify right side
    3,521.73x = 9,473,615.73
  5. Step 5: Solve for x
    x = 9,473,615.73/3,521.73
  6. Step 6: Final answer
    x = 2,690.05

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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.