Home / 5,326.52-7,989.77-4,179.56

Finding the Fourth Proportional to 5,326.52, 7,989.77 and 4,179.56

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Solution

The fourth proportional to 5,326.52, 7,989.77 and 4,179.56 is: 6,269.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326.52 : 7,989.77 = 4,179.56 : x
  2. Step 2: Convert to fraction form
    5,326.52/7,989.77 = 4,179.56/x
  3. Step 3: Cross multiply
    5,326.52x = 7,989.77 × 4,179.56
  4. Step 4: Simplify right side
    5,326.52x = 33,393,662.25
  5. Step 5: Solve for x
    x = 33,393,662.25/5,326.52
  6. Step 6: Final answer
    x = 6,269.33

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Double scale
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Similar ratio
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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.