Home / 7,482.57-11,221.20-2,551.02

Finding the Fourth Proportional to 7,482.57, 11,221.20 and 2,551.02

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Solution

The fourth proportional to 7,482.57, 11,221.20 and 2,551.02 is: 3,825.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,482.57 : 11,221.20 = 2,551.02 : x
  2. Step 2: Convert to fraction form
    7,482.57/11,221.20 = 2,551.02/x
  3. Step 3: Cross multiply
    7,482.57x = 11,221.20 × 2,551.02
  4. Step 4: Simplify right side
    7,482.57x = 28,625,505.62
  5. Step 5: Solve for x
    x = 28,625,505.62/7,482.57
  6. Step 6: Final answer
    x = 3,825.62

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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.