Home / 3,349.28-5,023.28-1,705.36

Finding the Fourth Proportional to 3,349.28, 5,023.28 and 1,705.36

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Solution

The fourth proportional to 3,349.28, 5,023.28 and 1,705.36 is: 2,557.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.28 : 5,023.28 = 1,705.36 : x
  2. Step 2: Convert to fraction form
    3,349.28/5,023.28 = 1,705.36/x
  3. Step 3: Cross multiply
    3,349.28x = 5,023.28 × 1,705.36
  4. Step 4: Simplify right side
    3,349.28x = 8,566,500.78
  5. Step 5: Solve for x
    x = 8,566,500.78/3,349.28
  6. Step 6: Final answer
    x = 2,557.71

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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.