Home / 5,174.82-7,757.55-1,885.59

Finding the Fourth Proportional to 5,174.82, 7,757.55 and 1,885.59

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Solution

The fourth proportional to 5,174.82, 7,757.55 and 1,885.59 is: 2,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.82 : 7,757.55 = 1,885.59 : x
  2. Step 2: Convert to fraction form
    5,174.82/7,757.55 = 1,885.59/x
  3. Step 3: Cross multiply
    5,174.82x = 7,757.55 × 1,885.59
  4. Step 4: Simplify right side
    5,174.82x = 14,627,558.70
  5. Step 5: Solve for x
    x = 14,627,558.70/5,174.82
  6. Step 6: Final answer
    x = 2,826.68

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1.5x scale

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.