Home / 3,922.50-5,885.10-2,192.34

Finding the Fourth Proportional to 3,922.50, 5,885.10 and 2,192.34

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Solution

The fourth proportional to 3,922.50, 5,885.10 and 2,192.34 is: 3,289.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.50 : 5,885.10 = 2,192.34 : x
  2. Step 2: Convert to fraction form
    3,922.50/5,885.10 = 2,192.34/x
  3. Step 3: Cross multiply
    3,922.50x = 5,885.10 × 2,192.34
  4. Step 4: Simplify right side
    3,922.50x = 12,902,140.13
  5. Step 5: Solve for x
    x = 12,902,140.13/3,922.50
  6. Step 6: Final answer
    x = 3,289.26

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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.