Home / 5,226.19-7,215.56-3,239.67

Finding the Fourth Proportional to 5,226.19, 7,215.56 and 3,239.67

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Solution

The fourth proportional to 5,226.19, 7,215.56 and 3,239.67 is: 4,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.19 : 7,215.56 = 3,239.67 : x
  2. Step 2: Convert to fraction form
    5,226.19/7,215.56 = 3,239.67/x
  3. Step 3: Cross multiply
    5,226.19x = 7,215.56 × 3,239.67
  4. Step 4: Simplify right side
    5,226.19x = 23,376,033.27
  5. Step 5: Solve for x
    x = 23,376,033.27/5,226.19
  6. Step 6: Final answer
    x = 4,472.86

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Half scale
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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.