Home / 5,163.70-7,124.88-3,039.34

Finding the Fourth Proportional to 5,163.70, 7,124.88 and 3,039.34

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Solution

The fourth proportional to 5,163.70, 7,124.88 and 3,039.34 is: 4,193.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.70 : 7,124.88 = 3,039.34 : x
  2. Step 2: Convert to fraction form
    5,163.70/7,124.88 = 3,039.34/x
  3. Step 3: Cross multiply
    5,163.70x = 7,124.88 × 3,039.34
  4. Step 4: Simplify right side
    5,163.70x = 21,654,932.78
  5. Step 5: Solve for x
    x = 21,654,932.78/5,163.70
  6. Step 6: Final answer
    x = 4,193.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.