Home / 3,221.33-4,445.30-1,824.08

Finding the Fourth Proportional to 3,221.33, 4,445.30 and 1,824.08

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Solution

The fourth proportional to 3,221.33, 4,445.30 and 1,824.08 is: 2,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.33 : 4,445.30 = 1,824.08 : x
  2. Step 2: Convert to fraction form
    3,221.33/4,445.30 = 1,824.08/x
  3. Step 3: Cross multiply
    3,221.33x = 4,445.30 × 1,824.08
  4. Step 4: Simplify right side
    3,221.33x = 8,108,551.48
  5. Step 5: Solve for x
    x = 8,108,551.48/3,221.33
  6. Step 6: Final answer
    x = 2,517.15

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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.