Home / 2,565.12-3,844.44-2,216.82

Finding the Fourth Proportional to 2,565.12, 3,844.44 and 2,216.82

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Solution

The fourth proportional to 2,565.12, 3,844.44 and 2,216.82 is: 3,322.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.12 : 3,844.44 = 2,216.82 : x
  2. Step 2: Convert to fraction form
    2,565.12/3,844.44 = 2,216.82/x
  3. Step 3: Cross multiply
    2,565.12x = 3,844.44 × 2,216.82
  4. Step 4: Simplify right side
    2,565.12x = 8,522,431.48
  5. Step 5: Solve for x
    x = 8,522,431.48/2,565.12
  6. Step 6: Final answer
    x = 3,322.43

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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.