Home / 5,135.92-7,699.52-2,174.24

Finding the Fourth Proportional to 5,135.92, 7,699.52 and 2,174.24

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Solution

The fourth proportional to 5,135.92, 7,699.52 and 2,174.24 is: 3,259.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.92 : 7,699.52 = 2,174.24 : x
  2. Step 2: Convert to fraction form
    5,135.92/7,699.52 = 2,174.24/x
  3. Step 3: Cross multiply
    5,135.92x = 7,699.52 × 2,174.24
  4. Step 4: Simplify right side
    5,135.92x = 16,740,604.36
  5. Step 5: Solve for x
    x = 16,740,604.36/5,135.92
  6. Step 6: Final answer
    x = 3,259.51

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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.