Home / 3,749.73-5,175.12-2,258.49

Finding the Fourth Proportional to 3,749.73, 5,175.12 and 2,258.49

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Solution

The fourth proportional to 3,749.73, 5,175.12 and 2,258.49 is: 3,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.73 : 5,175.12 = 2,258.49 : x
  2. Step 2: Convert to fraction form
    3,749.73/5,175.12 = 2,258.49/x
  3. Step 3: Cross multiply
    3,749.73x = 5,175.12 × 2,258.49
  4. Step 4: Simplify right side
    3,749.73x = 11,687,956.77
  5. Step 5: Solve for x
    x = 11,687,956.77/3,749.73
  6. Step 6: Final answer
    x = 3,117.01

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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.