Home / 2,912.48-4,372.76-1,874.04

Finding the Fourth Proportional to 2,912.48, 4,372.76 and 1,874.04

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Solution

The fourth proportional to 2,912.48, 4,372.76 and 1,874.04 is: 2,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.48 : 4,372.76 = 1,874.04 : x
  2. Step 2: Convert to fraction form
    2,912.48/4,372.76 = 1,874.04/x
  3. Step 3: Cross multiply
    2,912.48x = 4,372.76 × 1,874.04
  4. Step 4: Simplify right side
    2,912.48x = 8,194,727.15
  5. Step 5: Solve for x
    x = 8,194,727.15/2,912.48
  6. Step 6: Final answer
    x = 2,813.66

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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.