Home / 3,517.30-4,853.70-1,923.86

Finding the Fourth Proportional to 3,517.30, 4,853.70 and 1,923.86

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Solution

The fourth proportional to 3,517.30, 4,853.70 and 1,923.86 is: 2,654.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.30 : 4,853.70 = 1,923.86 : x
  2. Step 2: Convert to fraction form
    3,517.30/4,853.70 = 1,923.86/x
  3. Step 3: Cross multiply
    3,517.30x = 4,853.70 × 1,923.86
  4. Step 4: Simplify right side
    3,517.30x = 9,337,839.28
  5. Step 5: Solve for x
    x = 9,337,839.28/3,517.30
  6. Step 6: Final answer
    x = 2,654.83

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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.