Home / 5,027.85-7,542.86-2,104.65

Finding the Fourth Proportional to 5,027.85, 7,542.86 and 2,104.65

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Solution

The fourth proportional to 5,027.85, 7,542.86 and 2,104.65 is: 3,157.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,027.85 : 7,542.86 = 2,104.65 : x
  2. Step 2: Convert to fraction form
    5,027.85/7,542.86 = 2,104.65/x
  3. Step 3: Cross multiply
    5,027.85x = 7,542.86 × 2,104.65
  4. Step 4: Simplify right side
    5,027.85x = 15,875,069.78
  5. Step 5: Solve for x
    x = 15,875,069.78/5,027.85
  6. Step 6: Final answer
    x = 3,157.43

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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.