Home / 5,113.98-7,674.21-2,192.31

Finding the Fourth Proportional to 5,113.98, 7,674.21 and 2,192.31

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Solution

The fourth proportional to 5,113.98, 7,674.21 and 2,192.31 is: 3,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.98 : 7,674.21 = 2,192.31 : x
  2. Step 2: Convert to fraction form
    5,113.98/7,674.21 = 2,192.31/x
  3. Step 3: Cross multiply
    5,113.98x = 7,674.21 × 2,192.31
  4. Step 4: Simplify right side
    5,113.98x = 16,824,247.33
  5. Step 5: Solve for x
    x = 16,824,247.33/5,113.98
  6. Step 6: Final answer
    x = 3,289.85

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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.