Home / 5,416.22-7,474.46-3,057.90

Finding the Fourth Proportional to 5,416.22, 7,474.46 and 3,057.90

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Solution

The fourth proportional to 5,416.22, 7,474.46 and 3,057.90 is: 4,219.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.22 : 7,474.46 = 3,057.90 : x
  2. Step 2: Convert to fraction form
    5,416.22/7,474.46 = 3,057.90/x
  3. Step 3: Cross multiply
    5,416.22x = 7,474.46 × 3,057.90
  4. Step 4: Simplify right side
    5,416.22x = 22,856,135.94
  5. Step 5: Solve for x
    x = 22,856,135.94/5,416.22
  6. Step 6: Final answer
    x = 4,219.95

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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.