Home / 7,179.84-10,765.04-3,474.72

Finding the Fourth Proportional to 7,179.84, 10,765.04 and 3,474.72

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Solution

The fourth proportional to 7,179.84, 10,765.04 and 3,474.72 is: 5,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.84 : 10,765.04 = 3,474.72 : x
  2. Step 2: Convert to fraction form
    7,179.84/10,765.04 = 3,474.72/x
  3. Step 3: Cross multiply
    7,179.84x = 10,765.04 × 3,474.72
  4. Step 4: Simplify right side
    7,179.84x = 37,405,499.79
  5. Step 5: Solve for x
    x = 37,405,499.79/7,179.84
  6. Step 6: Final answer
    x = 5,209.80

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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.