Home / 4,086.18-5,639.35-2,408.11

Finding the Fourth Proportional to 4,086.18, 5,639.35 and 2,408.11

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Solution

The fourth proportional to 4,086.18, 5,639.35 and 2,408.11 is: 3,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.18 : 5,639.35 = 2,408.11 : x
  2. Step 2: Convert to fraction form
    4,086.18/5,639.35 = 2,408.11/x
  3. Step 3: Cross multiply
    4,086.18x = 5,639.35 × 2,408.11
  4. Step 4: Simplify right side
    4,086.18x = 13,580,163.09
  5. Step 5: Solve for x
    x = 13,580,163.09/4,086.18
  6. Step 6: Final answer
    x = 3,323.44

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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.