Home / 5,448.92-7,520.19-3,091.82

Finding the Fourth Proportional to 5,448.92, 7,520.19 and 3,091.82

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Solution

The fourth proportional to 5,448.92, 7,520.19 and 3,091.82 is: 4,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.92 : 7,520.19 = 3,091.82 : x
  2. Step 2: Convert to fraction form
    5,448.92/7,520.19 = 3,091.82/x
  3. Step 3: Cross multiply
    5,448.92x = 7,520.19 × 3,091.82
  4. Step 4: Simplify right side
    5,448.92x = 23,251,073.85
  5. Step 5: Solve for x
    x = 23,251,073.85/5,448.92
  6. Step 6: Final answer
    x = 4,267.10

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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.