Home / 3,189.67-4,399.99-2,350.51

Finding the Fourth Proportional to 3,189.67, 4,399.99 and 2,350.51

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Solution

The fourth proportional to 3,189.67, 4,399.99 and 2,350.51 is: 3,242.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189.67 : 4,399.99 = 2,350.51 : x
  2. Step 2: Convert to fraction form
    3,189.67/4,399.99 = 2,350.51/x
  3. Step 3: Cross multiply
    3,189.67x = 4,399.99 × 2,350.51
  4. Step 4: Simplify right side
    3,189.67x = 10,342,220.49
  5. Step 5: Solve for x
    x = 10,342,220.49/3,189.67
  6. Step 6: Final answer
    x = 3,242.41

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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.