Home / 3,749.36-5,173.30-2,176.54

Finding the Fourth Proportional to 3,749.36, 5,173.30 and 2,176.54

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Solution

The fourth proportional to 3,749.36, 5,173.30 and 2,176.54 is: 3,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.36 : 5,173.30 = 2,176.54 : x
  2. Step 2: Convert to fraction form
    3,749.36/5,173.30 = 2,176.54/x
  3. Step 3: Cross multiply
    3,749.36x = 5,173.30 × 2,176.54
  4. Step 4: Simplify right side
    3,749.36x = 11,259,894.38
  5. Step 5: Solve for x
    x = 11,259,894.38/3,749.36
  6. Step 6: Final answer
    x = 3,003.15

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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.