Home / 5,680.24-8,519.88-2,217.48

Finding the Fourth Proportional to 5,680.24, 8,519.88 and 2,217.48

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Solution

The fourth proportional to 5,680.24, 8,519.88 and 2,217.48 is: 3,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.24 : 8,519.88 = 2,217.48 : x
  2. Step 2: Convert to fraction form
    5,680.24/8,519.88 = 2,217.48/x
  3. Step 3: Cross multiply
    5,680.24x = 8,519.88 × 2,217.48
  4. Step 4: Simplify right side
    5,680.24x = 18,892,663.50
  5. Step 5: Solve for x
    x = 18,892,663.50/5,680.24
  6. Step 6: Final answer
    x = 3,326.03

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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.