Home / 5,400.05-7,452.23-3,161.72

Finding the Fourth Proportional to 5,400.05, 7,452.23 and 3,161.72

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Solution

The fourth proportional to 5,400.05, 7,452.23 and 3,161.72 is: 4,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.05 : 7,452.23 = 3,161.72 : x
  2. Step 2: Convert to fraction form
    5,400.05/7,452.23 = 3,161.72/x
  3. Step 3: Cross multiply
    5,400.05x = 7,452.23 × 3,161.72
  4. Step 4: Simplify right side
    5,400.05x = 23,561,834.43
  5. Step 5: Solve for x
    x = 23,561,834.43/5,400.05
  6. Step 6: Final answer
    x = 4,363.26

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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.