Home / 5,212.10-7,190.94-2,973.62

Finding the Fourth Proportional to 5,212.10, 7,190.94 and 2,973.62

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Solution

The fourth proportional to 5,212.10, 7,190.94 and 2,973.62 is: 4,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.10 : 7,190.94 = 2,973.62 : x
  2. Step 2: Convert to fraction form
    5,212.10/7,190.94 = 2,973.62/x
  3. Step 3: Cross multiply
    5,212.10x = 7,190.94 × 2,973.62
  4. Step 4: Simplify right side
    5,212.10x = 21,383,123.00
  5. Step 5: Solve for x
    x = 21,383,123.00/5,212.10
  6. Step 6: Final answer
    x = 4,102.59

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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.