Home / 3,783.92-5,219.01-2,605.37

Finding the Fourth Proportional to 3,783.92, 5,219.01 and 2,605.37

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Solution

The fourth proportional to 3,783.92, 5,219.01 and 2,605.37 is: 3,593.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.92 : 5,219.01 = 2,605.37 : x
  2. Step 2: Convert to fraction form
    3,783.92/5,219.01 = 2,605.37/x
  3. Step 3: Cross multiply
    3,783.92x = 5,219.01 × 2,605.37
  4. Step 4: Simplify right side
    3,783.92x = 13,597,425.99
  5. Step 5: Solve for x
    x = 13,597,425.99/3,783.92
  6. Step 6: Final answer
    x = 3,593.48

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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.