Home / 3,196.84-4,412-2,839.94

Finding the Fourth Proportional to 3,196.84, 4,412 and 2,839.94

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Solution

The fourth proportional to 3,196.84, 4,412 and 2,839.94 is: 3,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.84 : 4,412 = 2,839.94 : x
  2. Step 2: Convert to fraction form
    3,196.84/4,412 = 2,839.94/x
  3. Step 3: Cross multiply
    3,196.84x = 4,412 × 2,839.94
  4. Step 4: Simplify right side
    3,196.84x = 12,529,815.28
  5. Step 5: Solve for x
    x = 12,529,815.28/3,196.84
  6. Step 6: Final answer
    x = 3,919.44

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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.