Home / 5,450.33-7,520.79-3,060.42

Finding the Fourth Proportional to 5,450.33, 7,520.79 and 3,060.42

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Solution

The fourth proportional to 5,450.33, 7,520.79 and 3,060.42 is: 4,223.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.33 : 7,520.79 = 3,060.42 : x
  2. Step 2: Convert to fraction form
    5,450.33/7,520.79 = 3,060.42/x
  3. Step 3: Cross multiply
    5,450.33x = 7,520.79 × 3,060.42
  4. Step 4: Simplify right side
    5,450.33x = 23,016,776.13
  5. Step 5: Solve for x
    x = 23,016,776.13/5,450.33
  6. Step 6: Final answer
    x = 4,223.01

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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.