Home / 3,376.24-5,056.44-1,728.64

Finding the Fourth Proportional to 3,376.24, 5,056.44 and 1,728.64

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Solution

The fourth proportional to 3,376.24, 5,056.44 and 1,728.64 is: 2,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.24 : 5,056.44 = 1,728.64 : x
  2. Step 2: Convert to fraction form
    3,376.24/5,056.44 = 1,728.64/x
  3. Step 3: Cross multiply
    3,376.24x = 5,056.44 × 1,728.64
  4. Step 4: Simplify right side
    3,376.24x = 8,740,764.44
  5. Step 5: Solve for x
    x = 8,740,764.44/3,376.24
  6. Step 6: Final answer
    x = 2,588.90

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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.