Home / 5,414.46-8,122.72-1,716.96

Finding the Fourth Proportional to 5,414.46, 8,122.72 and 1,716.96

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Solution

The fourth proportional to 5,414.46, 8,122.72 and 1,716.96 is: 2,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.46 : 8,122.72 = 1,716.96 : x
  2. Step 2: Convert to fraction form
    5,414.46/8,122.72 = 1,716.96/x
  3. Step 3: Cross multiply
    5,414.46x = 8,122.72 × 1,716.96
  4. Step 4: Simplify right side
    5,414.46x = 13,946,385.33
  5. Step 5: Solve for x
    x = 13,946,385.33/5,414.46
  6. Step 6: Final answer
    x = 2,575.77

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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.