Home / 5,716.60-7,888.53-3,198.27

Finding the Fourth Proportional to 5,716.60, 7,888.53 and 3,198.27

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Solution

The fourth proportional to 5,716.60, 7,888.53 and 3,198.27 is: 4,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.60 : 7,888.53 = 3,198.27 : x
  2. Step 2: Convert to fraction form
    5,716.60/7,888.53 = 3,198.27/x
  3. Step 3: Cross multiply
    5,716.60x = 7,888.53 × 3,198.27
  4. Step 4: Simplify right side
    5,716.60x = 25,229,648.84
  5. Step 5: Solve for x
    x = 25,229,648.84/5,716.60
  6. Step 6: Final answer
    x = 4,413.40

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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.