Home / 5,209.96-7,190.16-3,193.36

Finding the Fourth Proportional to 5,209.96, 7,190.16 and 3,193.36

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Solution

The fourth proportional to 5,209.96, 7,190.16 and 3,193.36 is: 4,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.96 : 7,190.16 = 3,193.36 : x
  2. Step 2: Convert to fraction form
    5,209.96/7,190.16 = 3,193.36/x
  3. Step 3: Cross multiply
    5,209.96x = 7,190.16 × 3,193.36
  4. Step 4: Simplify right side
    5,209.96x = 22,960,769.34
  5. Step 5: Solve for x
    x = 22,960,769.34/5,209.96
  6. Step 6: Final answer
    x = 4,407.09

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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.