Home / 5,268.67-7,269.62-3,143.23

Finding the Fourth Proportional to 5,268.67, 7,269.62 and 3,143.23

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Solution

The fourth proportional to 5,268.67, 7,269.62 and 3,143.23 is: 4,336.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.67 : 7,269.62 = 3,143.23 : x
  2. Step 2: Convert to fraction form
    5,268.67/7,269.62 = 3,143.23/x
  3. Step 3: Cross multiply
    5,268.67x = 7,269.62 × 3,143.23
  4. Step 4: Simplify right side
    5,268.67x = 22,850,053.78
  5. Step 5: Solve for x
    x = 22,850,053.78/5,268.67
  6. Step 6: Final answer
    x = 4,336.97

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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.