Home / 4,227.47-5,830.48-3,231.17

Finding the Fourth Proportional to 4,227.47, 5,830.48 and 3,231.17

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Solution

The fourth proportional to 4,227.47, 5,830.48 and 3,231.17 is: 4,456.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.47 : 5,830.48 = 3,231.17 : x
  2. Step 2: Convert to fraction form
    4,227.47/5,830.48 = 3,231.17/x
  3. Step 3: Cross multiply
    4,227.47x = 5,830.48 × 3,231.17
  4. Step 4: Simplify right side
    4,227.47x = 18,839,272.06
  5. Step 5: Solve for x
    x = 18,839,272.06/4,227.47
  6. Step 6: Final answer
    x = 4,456.39

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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.