Home / 7,380.85-10,185.44-4,023.69

Finding the Fourth Proportional to 7,380.85, 10,185.44 and 4,023.69

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Solution

The fourth proportional to 7,380.85, 10,185.44 and 4,023.69 is: 5,552.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.85 : 10,185.44 = 4,023.69 : x
  2. Step 2: Convert to fraction form
    7,380.85/10,185.44 = 4,023.69/x
  3. Step 3: Cross multiply
    7,380.85x = 10,185.44 × 4,023.69
  4. Step 4: Simplify right side
    7,380.85x = 40,983,052.05
  5. Step 5: Solve for x
    x = 40,983,052.05/7,380.85
  6. Step 6: Final answer
    x = 5,552.62

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Half scale
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1.5x scale

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.