Home / 3,744.42-5,168.08-2,485.54

Finding the Fourth Proportional to 3,744.42, 5,168.08 and 2,485.54

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Solution

The fourth proportional to 3,744.42, 5,168.08 and 2,485.54 is: 3,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.42 : 5,168.08 = 2,485.54 : x
  2. Step 2: Convert to fraction form
    3,744.42/5,168.08 = 2,485.54/x
  3. Step 3: Cross multiply
    3,744.42x = 5,168.08 × 2,485.54
  4. Step 4: Simplify right side
    3,744.42x = 12,845,469.56
  5. Step 5: Solve for x
    x = 12,845,469.56/3,744.42
  6. Step 6: Final answer
    x = 3,430.56

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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.