Home / 5,785.73-7,982.55-3,546.79

Finding the Fourth Proportional to 5,785.73, 7,982.55 and 3,546.79

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Solution

The fourth proportional to 5,785.73, 7,982.55 and 3,546.79 is: 4,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.73 : 7,982.55 = 3,546.79 : x
  2. Step 2: Convert to fraction form
    5,785.73/7,982.55 = 3,546.79/x
  3. Step 3: Cross multiply
    5,785.73x = 7,982.55 × 3,546.79
  4. Step 4: Simplify right side
    5,785.73x = 28,312,408.56
  5. Step 5: Solve for x
    x = 28,312,408.56/5,785.73
  6. Step 6: Final answer
    x = 4,893.49

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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.