Home / 3,399.44-4,689.78-2,349.68

Finding the Fourth Proportional to 3,399.44, 4,689.78 and 2,349.68

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Solution

The fourth proportional to 3,399.44, 4,689.78 and 2,349.68 is: 3,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.44 : 4,689.78 = 2,349.68 : x
  2. Step 2: Convert to fraction form
    3,399.44/4,689.78 = 2,349.68/x
  3. Step 3: Cross multiply
    3,399.44x = 4,689.78 × 2,349.68
  4. Step 4: Simplify right side
    3,399.44x = 11,019,482.27
  5. Step 5: Solve for x
    x = 11,019,482.27/3,399.44
  6. Step 6: Final answer
    x = 3,241.56

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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.