Home / 5,222.35-7,838.25-2,450.62

Finding the Fourth Proportional to 5,222.35, 7,838.25 and 2,450.62

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Solution

The fourth proportional to 5,222.35, 7,838.25 and 2,450.62 is: 3,678.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.35 : 7,838.25 = 2,450.62 : x
  2. Step 2: Convert to fraction form
    5,222.35/7,838.25 = 2,450.62/x
  3. Step 3: Cross multiply
    5,222.35x = 7,838.25 × 2,450.62
  4. Step 4: Simplify right side
    5,222.35x = 19,208,572.22
  5. Step 5: Solve for x
    x = 19,208,572.22/5,222.35
  6. Step 6: Final answer
    x = 3,678.15

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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.