Home / 4,908.85-7,363.90-1,788.37

Finding the Fourth Proportional to 4,908.85, 7,363.90 and 1,788.37

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Solution

The fourth proportional to 4,908.85, 7,363.90 and 1,788.37 is: 2,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.85 : 7,363.90 = 1,788.37 : x
  2. Step 2: Convert to fraction form
    4,908.85/7,363.90 = 1,788.37/x
  3. Step 3: Cross multiply
    4,908.85x = 7,363.90 × 1,788.37
  4. Step 4: Simplify right side
    4,908.85x = 13,169,361.67
  5. Step 5: Solve for x
    x = 13,169,361.67/4,908.85
  6. Step 6: Final answer
    x = 2,682.78

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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.