Home / 5,475.13-8,207.82-2,011.57

Finding the Fourth Proportional to 5,475.13, 8,207.82 and 2,011.57

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Solution

The fourth proportional to 5,475.13, 8,207.82 and 2,011.57 is: 3,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.13 : 8,207.82 = 2,011.57 : x
  2. Step 2: Convert to fraction form
    5,475.13/8,207.82 = 2,011.57/x
  3. Step 3: Cross multiply
    5,475.13x = 8,207.82 × 2,011.57
  4. Step 4: Simplify right side
    5,475.13x = 16,510,604.48
  5. Step 5: Solve for x
    x = 16,510,604.48/5,475.13
  6. Step 6: Final answer
    x = 3,015.56

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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.