Home / 5,400.10-7,452.29-3,161.76

Finding the Fourth Proportional to 5,400.10, 7,452.29 and 3,161.76

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Solution

The fourth proportional to 5,400.10, 7,452.29 and 3,161.76 is: 4,363.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.10 : 7,452.29 = 3,161.76 : x
  2. Step 2: Convert to fraction form
    5,400.10/7,452.29 = 3,161.76/x
  3. Step 3: Cross multiply
    5,400.10x = 7,452.29 × 3,161.76
  4. Step 4: Simplify right side
    5,400.10x = 23,562,388.28
  5. Step 5: Solve for x
    x = 23,562,388.28/5,400.10
  6. Step 6: Final answer
    x = 4,363.33

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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.