Home / 7,179.70-10,765.14-2,792.04

Finding the Fourth Proportional to 7,179.70, 10,765.14 and 2,792.04

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Solution

The fourth proportional to 7,179.70, 10,765.14 and 2,792.04 is: 4,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.70 : 10,765.14 = 2,792.04 : x
  2. Step 2: Convert to fraction form
    7,179.70/10,765.14 = 2,792.04/x
  3. Step 3: Cross multiply
    7,179.70x = 10,765.14 × 2,792.04
  4. Step 4: Simplify right side
    7,179.70x = 30,056,701.49
  5. Step 5: Solve for x
    x = 30,056,701.49/7,179.70
  6. Step 6: Final answer
    x = 4,186.35

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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.