Home / 4,213.68-5,811.45-3,708.44

Finding the Fourth Proportional to 4,213.68, 5,811.45 and 3,708.44

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Solution

The fourth proportional to 4,213.68, 5,811.45 and 3,708.44 is: 5,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.68 : 5,811.45 = 3,708.44 : x
  2. Step 2: Convert to fraction form
    4,213.68/5,811.45 = 3,708.44/x
  3. Step 3: Cross multiply
    4,213.68x = 5,811.45 × 3,708.44
  4. Step 4: Simplify right side
    4,213.68x = 21,551,413.64
  5. Step 5: Solve for x
    x = 21,551,413.64/4,213.68
  6. Step 6: Final answer
    x = 5,114.63

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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.