Home / 3,832.19-5,288.57-2,340.78

Finding the Fourth Proportional to 3,832.19, 5,288.57 and 2,340.78

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Solution

The fourth proportional to 3,832.19, 5,288.57 and 2,340.78 is: 3,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.19 : 5,288.57 = 2,340.78 : x
  2. Step 2: Convert to fraction form
    3,832.19/5,288.57 = 2,340.78/x
  3. Step 3: Cross multiply
    3,832.19x = 5,288.57 × 2,340.78
  4. Step 4: Simplify right side
    3,832.19x = 12,379,374.29
  5. Step 5: Solve for x
    x = 12,379,374.29/3,832.19
  6. Step 6: Final answer
    x = 3,230.36

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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.