Home / 5,675.91-8,505.99-4,288.11

Finding the Fourth Proportional to 5,675.91, 8,505.99 and 4,288.11

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Solution

The fourth proportional to 5,675.91, 8,505.99 and 4,288.11 is: 6,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.91 : 8,505.99 = 4,288.11 : x
  2. Step 2: Convert to fraction form
    5,675.91/8,505.99 = 4,288.11/x
  3. Step 3: Cross multiply
    5,675.91x = 8,505.99 × 4,288.11
  4. Step 4: Simplify right side
    5,675.91x = 36,474,620.78
  5. Step 5: Solve for x
    x = 36,474,620.78/5,675.91
  6. Step 6: Final answer
    x = 6,426.22

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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.