Home / 3,328.30-4,593.18-1,912.18

Finding the Fourth Proportional to 3,328.30, 4,593.18 and 1,912.18

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Solution

The fourth proportional to 3,328.30, 4,593.18 and 1,912.18 is: 2,638.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.30 : 4,593.18 = 1,912.18 : x
  2. Step 2: Convert to fraction form
    3,328.30/4,593.18 = 1,912.18/x
  3. Step 3: Cross multiply
    3,328.30x = 4,593.18 × 1,912.18
  4. Step 4: Simplify right side
    3,328.30x = 8,782,986.93
  5. Step 5: Solve for x
    x = 8,782,986.93/3,328.30
  6. Step 6: Final answer
    x = 2,638.88

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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.