Home / 4,919.45-7,380.32-1,632.47

Finding the Fourth Proportional to 4,919.45, 7,380.32 and 1,632.47

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Solution

The fourth proportional to 4,919.45, 7,380.32 and 1,632.47 is: 2,449.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.45 : 7,380.32 = 1,632.47 : x
  2. Step 2: Convert to fraction form
    4,919.45/7,380.32 = 1,632.47/x
  3. Step 3: Cross multiply
    4,919.45x = 7,380.32 × 1,632.47
  4. Step 4: Simplify right side
    4,919.45x = 12,048,105.93
  5. Step 5: Solve for x
    x = 12,048,105.93/4,919.45
  6. Step 6: Final answer
    x = 2,449.08

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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.