Home / 3,221.88-4,444.38-2,336.64

Finding the Fourth Proportional to 3,221.88, 4,444.38 and 2,336.64

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Solution

The fourth proportional to 3,221.88, 4,444.38 and 2,336.64 is: 3,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.88 : 4,444.38 = 2,336.64 : x
  2. Step 2: Convert to fraction form
    3,221.88/4,444.38 = 2,336.64/x
  3. Step 3: Cross multiply
    3,221.88x = 4,444.38 × 2,336.64
  4. Step 4: Simplify right side
    3,221.88x = 10,384,916.08
  5. Step 5: Solve for x
    x = 10,384,916.08/3,221.88
  6. Step 6: Final answer
    x = 3,223.25

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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.