Home / 5,454.88-8,162.16-3,265.12

Finding the Fourth Proportional to 5,454.88, 8,162.16 and 3,265.12

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Solution

The fourth proportional to 5,454.88, 8,162.16 and 3,265.12 is: 4,885.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.88 : 8,162.16 = 3,265.12 : x
  2. Step 2: Convert to fraction form
    5,454.88/8,162.16 = 3,265.12/x
  3. Step 3: Cross multiply
    5,454.88x = 8,162.16 × 3,265.12
  4. Step 4: Simplify right side
    5,454.88x = 26,650,431.86
  5. Step 5: Solve for x
    x = 26,650,431.86/5,454.88
  6. Step 6: Final answer
    x = 4,885.61

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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.