Home / 3,590.39-4,954.71-1,996.99

Finding the Fourth Proportional to 3,590.39, 4,954.71 and 1,996.99

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Solution

The fourth proportional to 3,590.39, 4,954.71 and 1,996.99 is: 2,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.39 : 4,954.71 = 1,996.99 : x
  2. Step 2: Convert to fraction form
    3,590.39/4,954.71 = 1,996.99/x
  3. Step 3: Cross multiply
    3,590.39x = 4,954.71 × 1,996.99
  4. Step 4: Simplify right side
    3,590.39x = 9,894,481.55
  5. Step 5: Solve for x
    x = 9,894,481.55/3,590.39
  6. Step 6: Final answer
    x = 2,755.82

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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.