Home / 4,715.71-7,074.42-2,083.21

Finding the Fourth Proportional to 4,715.71, 7,074.42 and 2,083.21

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Solution

The fourth proportional to 4,715.71, 7,074.42 and 2,083.21 is: 3,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.71 : 7,074.42 = 2,083.21 : x
  2. Step 2: Convert to fraction form
    4,715.71/7,074.42 = 2,083.21/x
  3. Step 3: Cross multiply
    4,715.71x = 7,074.42 × 2,083.21
  4. Step 4: Simplify right side
    4,715.71x = 14,737,502.49
  5. Step 5: Solve for x
    x = 14,737,502.49/4,715.71
  6. Step 6: Final answer
    x = 3,125.19

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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.