Home / 5,450.73-7,521.93-3,212.70

Finding the Fourth Proportional to 5,450.73, 7,521.93 and 3,212.70

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Solution

The fourth proportional to 5,450.73, 7,521.93 and 3,212.70 is: 4,433.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.73 : 7,521.93 = 3,212.70 : x
  2. Step 2: Convert to fraction form
    5,450.73/7,521.93 = 3,212.70/x
  3. Step 3: Cross multiply
    5,450.73x = 7,521.93 × 3,212.70
  4. Step 4: Simplify right side
    5,450.73x = 24,165,704.51
  5. Step 5: Solve for x
    x = 24,165,704.51/5,450.73
  6. Step 6: Final answer
    x = 4,433.48

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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.