Home / 2,832.23-3,905.87-1,874.75

Finding the Fourth Proportional to 2,832.23, 3,905.87 and 1,874.75

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Solution

The fourth proportional to 2,832.23, 3,905.87 and 1,874.75 is: 2,585.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.23 : 3,905.87 = 1,874.75 : x
  2. Step 2: Convert to fraction form
    2,832.23/3,905.87 = 1,874.75/x
  3. Step 3: Cross multiply
    2,832.23x = 3,905.87 × 1,874.75
  4. Step 4: Simplify right side
    2,832.23x = 7,322,500.88
  5. Step 5: Solve for x
    x = 7,322,500.88/2,832.23
  6. Step 6: Final answer
    x = 2,585.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.