Home / 4,919.42-7,380.40-1,632.54

Finding the Fourth Proportional to 4,919.42, 7,380.40 and 1,632.54

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Solution

The fourth proportional to 4,919.42, 7,380.40 and 1,632.54 is: 2,449.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919.42 : 7,380.40 = 1,632.54 : x
  2. Step 2: Convert to fraction form
    4,919.42/7,380.40 = 1,632.54/x
  3. Step 3: Cross multiply
    4,919.42x = 7,380.40 × 1,632.54
  4. Step 4: Simplify right side
    4,919.42x = 12,048,798.22
  5. Step 5: Solve for x
    x = 12,048,798.22/4,919.42
  6. Step 6: Final answer
    x = 2,449.23

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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.