Home / 3,679.93-5,512.23-2,896.18

Finding the Fourth Proportional to 3,679.93, 5,512.23 and 2,896.18

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Solution

The fourth proportional to 3,679.93, 5,512.23 and 2,896.18 is: 4,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.93 : 5,512.23 = 2,896.18 : x
  2. Step 2: Convert to fraction form
    3,679.93/5,512.23 = 2,896.18/x
  3. Step 3: Cross multiply
    3,679.93x = 5,512.23 × 2,896.18
  4. Step 4: Simplify right side
    3,679.93x = 15,964,403.86
  5. Step 5: Solve for x
    x = 15,964,403.86/3,679.93
  6. Step 6: Final answer
    x = 4,338.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.