Home / 3,749.89-5,174.38-2,257.46

Finding the Fourth Proportional to 3,749.89, 5,174.38 and 2,257.46

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Solution

The fourth proportional to 3,749.89, 5,174.38 and 2,257.46 is: 3,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.89 : 5,174.38 = 2,257.46 : x
  2. Step 2: Convert to fraction form
    3,749.89/5,174.38 = 2,257.46/x
  3. Step 3: Cross multiply
    3,749.89x = 5,174.38 × 2,257.46
  4. Step 4: Simplify right side
    3,749.89x = 11,680,955.87
  5. Step 5: Solve for x
    x = 11,680,955.87/3,749.89
  6. Step 6: Final answer
    x = 3,115.01

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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.