Home / 5,255.36-7,251.89-3,238.46

Finding the Fourth Proportional to 5,255.36, 7,251.89 and 3,238.46

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Solution

The fourth proportional to 5,255.36, 7,251.89 and 3,238.46 is: 4,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.36 : 7,251.89 = 3,238.46 : x
  2. Step 2: Convert to fraction form
    5,255.36/7,251.89 = 3,238.46/x
  3. Step 3: Cross multiply
    5,255.36x = 7,251.89 × 3,238.46
  4. Step 4: Simplify right side
    5,255.36x = 23,484,903.24
  5. Step 5: Solve for x
    x = 23,484,903.24/5,255.36
  6. Step 6: Final answer
    x = 4,468.76

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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.