Home / 4,917.85-7,376.77-1,631.19

Finding the Fourth Proportional to 4,917.85, 7,376.77 and 1,631.19

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Solution

The fourth proportional to 4,917.85, 7,376.77 and 1,631.19 is: 2,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.85 : 7,376.77 = 1,631.19 : x
  2. Step 2: Convert to fraction form
    4,917.85/7,376.77 = 1,631.19/x
  3. Step 3: Cross multiply
    4,917.85x = 7,376.77 × 1,631.19
  4. Step 4: Simplify right side
    4,917.85x = 12,032,901.66
  5. Step 5: Solve for x
    x = 12,032,901.66/4,917.85
  6. Step 6: Final answer
    x = 2,446.78

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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.