Home / 3,165.33-4,748.62-1,057.11

Finding the Fourth Proportional to 3,165.33, 4,748.62 and 1,057.11

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Solution

The fourth proportional to 3,165.33, 4,748.62 and 1,057.11 is: 1,585.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.33 : 4,748.62 = 1,057.11 : x
  2. Step 2: Convert to fraction form
    3,165.33/4,748.62 = 1,057.11/x
  3. Step 3: Cross multiply
    3,165.33x = 4,748.62 × 1,057.11
  4. Step 4: Simplify right side
    3,165.33x = 5,019,813.69
  5. Step 5: Solve for x
    x = 5,019,813.69/3,165.33
  6. Step 6: Final answer
    x = 1,585.87

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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.