Home / 7,179.47-10,767.16-3,020.42

Finding the Fourth Proportional to 7,179.47, 10,767.16 and 3,020.42

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Solution

The fourth proportional to 7,179.47, 10,767.16 and 3,020.42 is: 4,529.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.47 : 10,767.16 = 3,020.42 : x
  2. Step 2: Convert to fraction form
    7,179.47/10,767.16 = 3,020.42/x
  3. Step 3: Cross multiply
    7,179.47x = 10,767.16 × 3,020.42
  4. Step 4: Simplify right side
    7,179.47x = 32,521,376.10
  5. Step 5: Solve for x
    x = 32,521,376.10/7,179.47
  6. Step 6: Final answer
    x = 4,529.77

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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.