Home / 5,448.24-7,520.82-4,122.36

Finding the Fourth Proportional to 5,448.24, 7,520.82 and 4,122.36

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Solution

The fourth proportional to 5,448.24, 7,520.82 and 4,122.36 is: 5,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.24 : 7,520.82 = 4,122.36 : x
  2. Step 2: Convert to fraction form
    5,448.24/7,520.82 = 4,122.36/x
  3. Step 3: Cross multiply
    5,448.24x = 7,520.82 × 4,122.36
  4. Step 4: Simplify right side
    5,448.24x = 31,003,527.54
  5. Step 5: Solve for x
    x = 31,003,527.54/5,448.24
  6. Step 6: Final answer
    x = 5,690.56

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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.