Home / 5,629.21-8,444.18-2,166.46

Finding the Fourth Proportional to 5,629.21, 8,444.18 and 2,166.46

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Solution

The fourth proportional to 5,629.21, 8,444.18 and 2,166.46 is: 3,249.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.21 : 8,444.18 = 2,166.46 : x
  2. Step 2: Convert to fraction form
    5,629.21/8,444.18 = 2,166.46/x
  3. Step 3: Cross multiply
    5,629.21x = 8,444.18 × 2,166.46
  4. Step 4: Simplify right side
    5,629.21x = 18,293,978.20
  5. Step 5: Solve for x
    x = 18,293,978.20/5,629.21
  6. Step 6: Final answer
    x = 3,249.83

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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.