Home / 3,184.82-4,394.84-1,768.39

Finding the Fourth Proportional to 3,184.82, 4,394.84 and 1,768.39

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Solution

The fourth proportional to 3,184.82, 4,394.84 and 1,768.39 is: 2,440.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.82 : 4,394.84 = 1,768.39 : x
  2. Step 2: Convert to fraction form
    3,184.82/4,394.84 = 1,768.39/x
  3. Step 3: Cross multiply
    3,184.82x = 4,394.84 × 1,768.39
  4. Step 4: Simplify right side
    3,184.82x = 7,771,819.59
  5. Step 5: Solve for x
    x = 7,771,819.59/3,184.82
  6. Step 6: Final answer
    x = 2,440.27

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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.