Home / 6,864.76-10,299.66-2,916.88

Finding the Fourth Proportional to 6,864.76, 10,299.66 and 2,916.88

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Solution

The fourth proportional to 6,864.76, 10,299.66 and 2,916.88 is: 4,376.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.76 : 10,299.66 = 2,916.88 : x
  2. Step 2: Convert to fraction form
    6,864.76/10,299.66 = 2,916.88/x
  3. Step 3: Cross multiply
    6,864.76x = 10,299.66 × 2,916.88
  4. Step 4: Simplify right side
    6,864.76x = 30,042,872.26
  5. Step 5: Solve for x
    x = 30,042,872.26/6,864.76
  6. Step 6: Final answer
    x = 4,376.39

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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.