Home / 4,874.35-7,299.80-2,788.03

Finding the Fourth Proportional to 4,874.35, 7,299.80 and 2,788.03

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Solution

The fourth proportional to 4,874.35, 7,299.80 and 2,788.03 is: 4,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.35 : 7,299.80 = 2,788.03 : x
  2. Step 2: Convert to fraction form
    4,874.35/7,299.80 = 2,788.03/x
  3. Step 3: Cross multiply
    4,874.35x = 7,299.80 × 2,788.03
  4. Step 4: Simplify right side
    4,874.35x = 20,352,024.90
  5. Step 5: Solve for x
    x = 20,352,024.90/4,874.35
  6. Step 6: Final answer
    x = 4,175.34

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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.