Home / 3,379.42-4,666.82-3,195.36

Finding the Fourth Proportional to 3,379.42, 4,666.82 and 3,195.36

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Solution

The fourth proportional to 3,379.42, 4,666.82 and 3,195.36 is: 4,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.42 : 4,666.82 = 3,195.36 : x
  2. Step 2: Convert to fraction form
    3,379.42/4,666.82 = 3,195.36/x
  3. Step 3: Cross multiply
    3,379.42x = 4,666.82 × 3,195.36
  4. Step 4: Simplify right side
    3,379.42x = 14,912,169.96
  5. Step 5: Solve for x
    x = 14,912,169.96/3,379.42
  6. Step 6: Final answer
    x = 4,412.64

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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.