Home / 5,911.92-8,848.80-4,279.68

Finding the Fourth Proportional to 5,911.92, 8,848.80 and 4,279.68

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Solution

The fourth proportional to 5,911.92, 8,848.80 and 4,279.68 is: 6,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.92 : 8,848.80 = 4,279.68 : x
  2. Step 2: Convert to fraction form
    5,911.92/8,848.80 = 4,279.68/x
  3. Step 3: Cross multiply
    5,911.92x = 8,848.80 × 4,279.68
  4. Step 4: Simplify right side
    5,911.92x = 37,870,032.38
  5. Step 5: Solve for x
    x = 37,870,032.38/5,911.92
  6. Step 6: Final answer
    x = 6,405.71

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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.