Home / 6,715.45-10,073.31-3,205.81

Finding the Fourth Proportional to 6,715.45, 10,073.31 and 3,205.81

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Solution

The fourth proportional to 6,715.45, 10,073.31 and 3,205.81 is: 4,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.45 : 10,073.31 = 3,205.81 : x
  2. Step 2: Convert to fraction form
    6,715.45/10,073.31 = 3,205.81/x
  3. Step 3: Cross multiply
    6,715.45x = 10,073.31 × 3,205.81
  4. Step 4: Simplify right side
    6,715.45x = 32,293,117.93
  5. Step 5: Solve for x
    x = 32,293,117.93/6,715.45
  6. Step 6: Final answer
    x = 4,808.78

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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.