Home / 5,500.32-8,245.68-2,216.16

Finding the Fourth Proportional to 5,500.32, 8,245.68 and 2,216.16

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Solution

The fourth proportional to 5,500.32, 8,245.68 and 2,216.16 is: 3,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.32 : 8,245.68 = 2,216.16 : x
  2. Step 2: Convert to fraction form
    5,500.32/8,245.68 = 2,216.16/x
  3. Step 3: Cross multiply
    5,500.32x = 8,245.68 × 2,216.16
  4. Step 4: Simplify right side
    5,500.32x = 18,273,746.19
  5. Step 5: Solve for x
    x = 18,273,746.19/5,500.32
  6. Step 6: Final answer
    x = 3,322.31

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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.