Home / 3,749.22-5,174.59-2,236.87

Finding the Fourth Proportional to 3,749.22, 5,174.59 and 2,236.87

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Solution

The fourth proportional to 3,749.22, 5,174.59 and 2,236.87 is: 3,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.22 : 5,174.59 = 2,236.87 : x
  2. Step 2: Convert to fraction form
    3,749.22/5,174.59 = 2,236.87/x
  3. Step 3: Cross multiply
    3,749.22x = 5,174.59 × 2,236.87
  4. Step 4: Simplify right side
    3,749.22x = 11,574,885.13
  5. Step 5: Solve for x
    x = 11,574,885.13/3,749.22
  6. Step 6: Final answer
    x = 3,087.28

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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.