Home / 5,180.43-7,771.86-1,482.56

Finding the Fourth Proportional to 5,180.43, 7,771.86 and 1,482.56

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Solution

The fourth proportional to 5,180.43, 7,771.86 and 1,482.56 is: 2,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.43 : 7,771.86 = 1,482.56 : x
  2. Step 2: Convert to fraction form
    5,180.43/7,771.86 = 1,482.56/x
  3. Step 3: Cross multiply
    5,180.43x = 7,771.86 × 1,482.56
  4. Step 4: Simplify right side
    5,180.43x = 11,522,209.90
  5. Step 5: Solve for x
    x = 11,522,209.90/5,180.43
  6. Step 6: Final answer
    x = 2,224.18

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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.