Home / 3,196.81-4,412.19-1,799.56

Finding the Fourth Proportional to 3,196.81, 4,412.19 and 1,799.56

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Solution

The fourth proportional to 3,196.81, 4,412.19 and 1,799.56 is: 2,483.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.81 : 4,412.19 = 1,799.56 : x
  2. Step 2: Convert to fraction form
    3,196.81/4,412.19 = 1,799.56/x
  3. Step 3: Cross multiply
    3,196.81x = 4,412.19 × 1,799.56
  4. Step 4: Simplify right side
    3,196.81x = 7,940,000.64
  5. Step 5: Solve for x
    x = 7,940,000.64/3,196.81
  6. Step 6: Final answer
    x = 2,483.73

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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.