Home / 3,749.44-5,172.96-2,176.96

Finding the Fourth Proportional to 3,749.44, 5,172.96 and 2,176.96

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Solution

The fourth proportional to 3,749.44, 5,172.96 and 2,176.96 is: 3,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.44 : 5,172.96 = 2,176.96 : x
  2. Step 2: Convert to fraction form
    3,749.44/5,172.96 = 2,176.96/x
  3. Step 3: Cross multiply
    3,749.44x = 5,172.96 × 2,176.96
  4. Step 4: Simplify right side
    3,749.44x = 11,261,327.00
  5. Step 5: Solve for x
    x = 11,261,327.00/3,749.44
  6. Step 6: Final answer
    x = 3,003.47

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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.