Home / 5,226.72-7,215.84-3,238.08

Finding the Fourth Proportional to 5,226.72, 7,215.84 and 3,238.08

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Solution

The fourth proportional to 5,226.72, 7,215.84 and 3,238.08 is: 4,470.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.72 : 7,215.84 = 3,238.08 : x
  2. Step 2: Convert to fraction form
    5,226.72/7,215.84 = 3,238.08/x
  3. Step 3: Cross multiply
    5,226.72x = 7,215.84 × 3,238.08
  4. Step 4: Simplify right side
    5,226.72x = 23,365,467.19
  5. Step 5: Solve for x
    x = 23,365,467.19/5,226.72
  6. Step 6: Final answer
    x = 4,470.39

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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.