Home / 5,243.15-7,238.63-3,254.80

Finding the Fourth Proportional to 5,243.15, 7,238.63 and 3,254.80

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Solution

The fourth proportional to 5,243.15, 7,238.63 and 3,254.80 is: 4,493.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.15 : 7,238.63 = 3,254.80 : x
  2. Step 2: Convert to fraction form
    5,243.15/7,238.63 = 3,254.80/x
  3. Step 3: Cross multiply
    5,243.15x = 7,238.63 × 3,254.80
  4. Step 4: Simplify right side
    5,243.15x = 23,560,292.92
  5. Step 5: Solve for x
    x = 23,560,292.92/5,243.15
  6. Step 6: Final answer
    x = 4,493.54

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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.