Home / 3,383.92-4,669.68-1,892.08

Finding the Fourth Proportional to 3,383.92, 4,669.68 and 1,892.08

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Solution

The fourth proportional to 3,383.92, 4,669.68 and 1,892.08 is: 2,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.92 : 4,669.68 = 1,892.08 : x
  2. Step 2: Convert to fraction form
    3,383.92/4,669.68 = 1,892.08/x
  3. Step 3: Cross multiply
    3,383.92x = 4,669.68 × 1,892.08
  4. Step 4: Simplify right side
    3,383.92x = 8,835,408.13
  5. Step 5: Solve for x
    x = 8,835,408.13/3,383.92
  6. Step 6: Final answer
    x = 2,611.00

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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.