Home / 5,092.91-7,654.65-4,221.15

Finding the Fourth Proportional to 5,092.91, 7,654.65 and 4,221.15

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Solution

The fourth proportional to 5,092.91, 7,654.65 and 4,221.15 is: 6,344.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.91 : 7,654.65 = 4,221.15 : x
  2. Step 2: Convert to fraction form
    5,092.91/7,654.65 = 4,221.15/x
  3. Step 3: Cross multiply
    5,092.91x = 7,654.65 × 4,221.15
  4. Step 4: Simplify right side
    5,092.91x = 32,311,425.85
  5. Step 5: Solve for x
    x = 32,311,425.85/5,092.91
  6. Step 6: Final answer
    x = 6,344.39

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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.