Home / 3,171.14-4,750.77-2,654.46

Finding the Fourth Proportional to 3,171.14, 4,750.77 and 2,654.46

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Solution

The fourth proportional to 3,171.14, 4,750.77 and 2,654.46 is: 3,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.14 : 4,750.77 = 2,654.46 : x
  2. Step 2: Convert to fraction form
    3,171.14/4,750.77 = 2,654.46/x
  3. Step 3: Cross multiply
    3,171.14x = 4,750.77 × 2,654.46
  4. Step 4: Simplify right side
    3,171.14x = 12,610,728.93
  5. Step 5: Solve for x
    x = 12,610,728.93/3,171.14
  6. Step 6: Final answer
    x = 3,976.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.