Home / 6,876.62-10,316.70-3,181.50

Finding the Fourth Proportional to 6,876.62, 10,316.70 and 3,181.50

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Solution

The fourth proportional to 6,876.62, 10,316.70 and 3,181.50 is: 4,773.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.62 : 10,316.70 = 3,181.50 : x
  2. Step 2: Convert to fraction form
    6,876.62/10,316.70 = 3,181.50/x
  3. Step 3: Cross multiply
    6,876.62x = 10,316.70 × 3,181.50
  4. Step 4: Simplify right side
    6,876.62x = 32,822,581.05
  5. Step 5: Solve for x
    x = 32,822,581.05/6,876.62
  6. Step 6: Final answer
    x = 4,773.07

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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.