Home / 3,188.65-4,399.11-2,351.34

Finding the Fourth Proportional to 3,188.65, 4,399.11 and 2,351.34

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Solution

The fourth proportional to 3,188.65, 4,399.11 and 2,351.34 is: 3,243.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.65 : 4,399.11 = 2,351.34 : x
  2. Step 2: Convert to fraction form
    3,188.65/4,399.11 = 2,351.34/x
  3. Step 3: Cross multiply
    3,188.65x = 4,399.11 × 2,351.34
  4. Step 4: Simplify right side
    3,188.65x = 10,343,769.56
  5. Step 5: Solve for x
    x = 10,343,769.56/3,188.65
  6. Step 6: Final answer
    x = 3,243.93

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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.