Home / 5,450.91-7,521.35-3,212.48

Finding the Fourth Proportional to 5,450.91, 7,521.35 and 3,212.48

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Solution

The fourth proportional to 5,450.91, 7,521.35 and 3,212.48 is: 4,432.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.91 : 7,521.35 = 3,212.48 : x
  2. Step 2: Convert to fraction form
    5,450.91/7,521.35 = 3,212.48/x
  3. Step 3: Cross multiply
    5,450.91x = 7,521.35 × 3,212.48
  4. Step 4: Simplify right side
    5,450.91x = 24,162,213.28
  5. Step 5: Solve for x
    x = 24,162,213.28/5,450.91
  6. Step 6: Final answer
    x = 4,432.69

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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.