Home / 5,005.76-7,500.44-3,336.80

Finding the Fourth Proportional to 5,005.76, 7,500.44 and 3,336.80

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Solution

The fourth proportional to 5,005.76, 7,500.44 and 3,336.80 is: 4,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.76 : 7,500.44 = 3,336.80 : x
  2. Step 2: Convert to fraction form
    5,005.76/7,500.44 = 3,336.80/x
  3. Step 3: Cross multiply
    5,005.76x = 7,500.44 × 3,336.80
  4. Step 4: Simplify right side
    5,005.76x = 25,027,468.19
  5. Step 5: Solve for x
    x = 25,027,468.19/5,005.76
  6. Step 6: Final answer
    x = 4,999.73

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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.