Home / 5,416.10-8,120.88-2,496.86

Finding the Fourth Proportional to 5,416.10, 8,120.88 and 2,496.86

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Solution

The fourth proportional to 5,416.10, 8,120.88 and 2,496.86 is: 3,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.10 : 8,120.88 = 2,496.86 : x
  2. Step 2: Convert to fraction form
    5,416.10/8,120.88 = 2,496.86/x
  3. Step 3: Cross multiply
    5,416.10x = 8,120.88 × 2,496.86
  4. Step 4: Simplify right side
    5,416.10x = 20,276,700.44
  5. Step 5: Solve for x
    x = 20,276,700.44/5,416.10
  6. Step 6: Final answer
    x = 3,743.78

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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.