Home / 7,819.56-10,791.90-4,462.86

Finding the Fourth Proportional to 7,819.56, 10,791.90 and 4,462.86

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Solution

The fourth proportional to 7,819.56, 10,791.90 and 4,462.86 is: 6,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.56 : 10,791.90 = 4,462.86 : x
  2. Step 2: Convert to fraction form
    7,819.56/10,791.90 = 4,462.86/x
  3. Step 3: Cross multiply
    7,819.56x = 10,791.90 × 4,462.86
  4. Step 4: Simplify right side
    7,819.56x = 48,162,738.83
  5. Step 5: Solve for x
    x = 48,162,738.83/7,819.56
  6. Step 6: Final answer
    x = 6,159.26

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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.