Home / 5,436.57-7,502.34-3,198.59

Finding the Fourth Proportional to 5,436.57, 7,502.34 and 3,198.59

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Solution

The fourth proportional to 5,436.57, 7,502.34 and 3,198.59 is: 4,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.57 : 7,502.34 = 3,198.59 : x
  2. Step 2: Convert to fraction form
    5,436.57/7,502.34 = 3,198.59/x
  3. Step 3: Cross multiply
    5,436.57x = 7,502.34 × 3,198.59
  4. Step 4: Simplify right side
    5,436.57x = 23,996,874.95
  5. Step 5: Solve for x
    x = 23,996,874.95/5,436.57
  6. Step 6: Final answer
    x = 4,413.98

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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.