Home / 5,551.20-8,336.52-4,239

Finding the Fourth Proportional to 5,551.20, 8,336.52 and 4,239

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Solution

The fourth proportional to 5,551.20, 8,336.52 and 4,239 is: 6,365.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.20 : 8,336.52 = 4,239 : x
  2. Step 2: Convert to fraction form
    5,551.20/8,336.52 = 4,239/x
  3. Step 3: Cross multiply
    5,551.20x = 8,336.52 × 4,239
  4. Step 4: Simplify right side
    5,551.20x = 35,338,508.28
  5. Step 5: Solve for x
    x = 35,338,508.28/5,551.20
  6. Step 6: Final answer
    x = 6,365.92

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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.