Home / 4,169.30-5,723.51-3,578.81

Finding the Fourth Proportional to 4,169.30, 5,723.51 and 3,578.81

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Solution

The fourth proportional to 4,169.30, 5,723.51 and 3,578.81 is: 4,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.30 : 5,723.51 = 3,578.81 : x
  2. Step 2: Convert to fraction form
    4,169.30/5,723.51 = 3,578.81/x
  3. Step 3: Cross multiply
    4,169.30x = 5,723.51 × 3,578.81
  4. Step 4: Simplify right side
    4,169.30x = 20,483,308.31
  5. Step 5: Solve for x
    x = 20,483,308.31/4,169.30
  6. Step 6: Final answer
    x = 4,912.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.