Home / 6,985.69-10,472.31-2,600.15

Finding the Fourth Proportional to 6,985.69, 10,472.31 and 2,600.15

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Solution

The fourth proportional to 6,985.69, 10,472.31 and 2,600.15 is: 3,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.69 : 10,472.31 = 2,600.15 : x
  2. Step 2: Convert to fraction form
    6,985.69/10,472.31 = 2,600.15/x
  3. Step 3: Cross multiply
    6,985.69x = 10,472.31 × 2,600.15
  4. Step 4: Simplify right side
    6,985.69x = 27,229,576.85
  5. Step 5: Solve for x
    x = 27,229,576.85/6,985.69
  6. Step 6: Final answer
    x = 3,897.91

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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.