Home / 4,179.50-5,767.72-2,316.50

Finding the Fourth Proportional to 4,179.50, 5,767.72 and 2,316.50

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Solution

The fourth proportional to 4,179.50, 5,767.72 and 2,316.50 is: 3,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.50 : 5,767.72 = 2,316.50 : x
  2. Step 2: Convert to fraction form
    4,179.50/5,767.72 = 2,316.50/x
  3. Step 3: Cross multiply
    4,179.50x = 5,767.72 × 2,316.50
  4. Step 4: Simplify right side
    4,179.50x = 13,360,923.38
  5. Step 5: Solve for x
    x = 13,360,923.38/4,179.50
  6. Step 6: Final answer
    x = 3,196.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.