Home / 5,174.47-7,763.98-1,711.72

Finding the Fourth Proportional to 5,174.47, 7,763.98 and 1,711.72

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Solution

The fourth proportional to 5,174.47, 7,763.98 and 1,711.72 is: 2,568.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.47 : 7,763.98 = 1,711.72 : x
  2. Step 2: Convert to fraction form
    5,174.47/7,763.98 = 1,711.72/x
  3. Step 3: Cross multiply
    5,174.47x = 7,763.98 × 1,711.72
  4. Step 4: Simplify right side
    5,174.47x = 13,289,759.85
  5. Step 5: Solve for x
    x = 13,289,759.85/5,174.47
  6. Step 6: Final answer
    x = 2,568.33

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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.