Home / 6,865.20-10,295.67-2,916.42

Finding the Fourth Proportional to 6,865.20, 10,295.67 and 2,916.42

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Solution

The fourth proportional to 6,865.20, 10,295.67 and 2,916.42 is: 4,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.20 : 10,295.67 = 2,916.42 : x
  2. Step 2: Convert to fraction form
    6,865.20/10,295.67 = 2,916.42/x
  3. Step 3: Cross multiply
    6,865.20x = 10,295.67 × 2,916.42
  4. Step 4: Simplify right side
    6,865.20x = 30,026,497.90
  5. Step 5: Solve for x
    x = 30,026,497.90/6,865.20
  6. Step 6: Final answer
    x = 4,373.73

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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.