Home / 7,351.64-11,029.32-3,190.67

Finding the Fourth Proportional to 7,351.64, 11,029.32 and 3,190.67

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Solution

The fourth proportional to 7,351.64, 11,029.32 and 3,190.67 is: 4,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.64 : 11,029.32 = 3,190.67 : x
  2. Step 2: Convert to fraction form
    7,351.64/11,029.32 = 3,190.67/x
  3. Step 3: Cross multiply
    7,351.64x = 11,029.32 × 3,190.67
  4. Step 4: Simplify right side
    7,351.64x = 35,190,920.44
  5. Step 5: Solve for x
    x = 35,190,920.44/7,351.64
  6. Step 6: Final answer
    x = 4,786.81

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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.