Home / 5,211.68-7,192.17-2,973.85

Finding the Fourth Proportional to 5,211.68, 7,192.17 and 2,973.85

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Solution

The fourth proportional to 5,211.68, 7,192.17 and 2,973.85 is: 4,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.68 : 7,192.17 = 2,973.85 : x
  2. Step 2: Convert to fraction form
    5,211.68/7,192.17 = 2,973.85/x
  3. Step 3: Cross multiply
    5,211.68x = 7,192.17 × 2,973.85
  4. Step 4: Simplify right side
    5,211.68x = 21,388,416.77
  5. Step 5: Solve for x
    x = 21,388,416.77/5,211.68
  6. Step 6: Final answer
    x = 4,103.94

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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.