Home / 5,127.71-7,073.73-3,238.38

Finding the Fourth Proportional to 5,127.71, 7,073.73 and 3,238.38

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Solution

The fourth proportional to 5,127.71, 7,073.73 and 3,238.38 is: 4,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.71 : 7,073.73 = 3,238.38 : x
  2. Step 2: Convert to fraction form
    5,127.71/7,073.73 = 3,238.38/x
  3. Step 3: Cross multiply
    5,127.71x = 7,073.73 × 3,238.38
  4. Step 4: Simplify right side
    5,127.71x = 22,907,425.76
  5. Step 5: Solve for x
    x = 22,907,425.76/5,127.71
  6. Step 6: Final answer
    x = 4,467.38

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Half scale
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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.