Home / 5,401.92-7,454.73-3,165.12

Finding the Fourth Proportional to 5,401.92, 7,454.73 and 3,165.12

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Solution

The fourth proportional to 5,401.92, 7,454.73 and 3,165.12 is: 4,367.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401.92 : 7,454.73 = 3,165.12 : x
  2. Step 2: Convert to fraction form
    5,401.92/7,454.73 = 3,165.12/x
  3. Step 3: Cross multiply
    5,401.92x = 7,454.73 × 3,165.12
  4. Step 4: Simplify right side
    5,401.92x = 23,595,115.02
  5. Step 5: Solve for x
    x = 23,595,115.02/5,401.92
  6. Step 6: Final answer
    x = 4,367.91

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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.