Home / 5,399.27-7,451.14-3,161.24

Finding the Fourth Proportional to 5,399.27, 7,451.14 and 3,161.24

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Solution

The fourth proportional to 5,399.27, 7,451.14 and 3,161.24 is: 4,362.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.27 : 7,451.14 = 3,161.24 : x
  2. Step 2: Convert to fraction form
    5,399.27/7,451.14 = 3,161.24/x
  3. Step 3: Cross multiply
    5,399.27x = 7,451.14 × 3,161.24
  4. Step 4: Simplify right side
    5,399.27x = 23,554,809.57
  5. Step 5: Solve for x
    x = 23,554,809.57/5,399.27
  6. Step 6: Final answer
    x = 4,362.59

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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.