Home / 5,194.72-7,793.52-2,421.28

Finding the Fourth Proportional to 5,194.72, 7,793.52 and 2,421.28

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Solution

The fourth proportional to 5,194.72, 7,793.52 and 2,421.28 is: 3,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.72 : 7,793.52 = 2,421.28 : x
  2. Step 2: Convert to fraction form
    5,194.72/7,793.52 = 2,421.28/x
  3. Step 3: Cross multiply
    5,194.72x = 7,793.52 × 2,421.28
  4. Step 4: Simplify right side
    5,194.72x = 18,870,294.11
  5. Step 5: Solve for x
    x = 18,870,294.11/5,194.72
  6. Step 6: Final answer
    x = 3,632.59

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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.