Home / 5,520.68-8,286.48-4,492.80

Finding the Fourth Proportional to 5,520.68, 8,286.48 and 4,492.80

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Solution

The fourth proportional to 5,520.68, 8,286.48 and 4,492.80 is: 6,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.68 : 8,286.48 = 4,492.80 : x
  2. Step 2: Convert to fraction form
    5,520.68/8,286.48 = 4,492.80/x
  3. Step 3: Cross multiply
    5,520.68x = 8,286.48 × 4,492.80
  4. Step 4: Simplify right side
    5,520.68x = 37,229,497.34
  5. Step 5: Solve for x
    x = 37,229,497.34/5,520.68
  6. Step 6: Final answer
    x = 6,743.64

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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.