Home / 3,475.29-5,213.78-1,135.41

Finding the Fourth Proportional to 3,475.29, 5,213.78 and 1,135.41

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Solution

The fourth proportional to 3,475.29, 5,213.78 and 1,135.41 is: 1,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.29 : 5,213.78 = 1,135.41 : x
  2. Step 2: Convert to fraction form
    3,475.29/5,213.78 = 1,135.41/x
  3. Step 3: Cross multiply
    3,475.29x = 5,213.78 × 1,135.41
  4. Step 4: Simplify right side
    3,475.29x = 5,919,772.27
  5. Step 5: Solve for x
    x = 5,919,772.27/3,475.29
  6. Step 6: Final answer
    x = 1,703.39

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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.