Home / 5,262.31-7,258.75-3,136.38

Finding the Fourth Proportional to 5,262.31, 7,258.75 and 3,136.38

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Solution

The fourth proportional to 5,262.31, 7,258.75 and 3,136.38 is: 4,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.31 : 7,258.75 = 3,136.38 : x
  2. Step 2: Convert to fraction form
    5,262.31/7,258.75 = 3,136.38/x
  3. Step 3: Cross multiply
    5,262.31x = 7,258.75 × 3,136.38
  4. Step 4: Simplify right side
    5,262.31x = 22,766,198.33
  5. Step 5: Solve for x
    x = 22,766,198.33/5,262.31
  6. Step 6: Final answer
    x = 4,326.27

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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.