Home / 5,450.30-7,521.42-3,060.33

Finding the Fourth Proportional to 5,450.30, 7,521.42 and 3,060.33

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Solution

The fourth proportional to 5,450.30, 7,521.42 and 3,060.33 is: 4,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.30 : 7,521.42 = 3,060.33 : x
  2. Step 2: Convert to fraction form
    5,450.30/7,521.42 = 3,060.33/x
  3. Step 3: Cross multiply
    5,450.30x = 7,521.42 × 3,060.33
  4. Step 4: Simplify right side
    5,450.30x = 23,018,027.27
  5. Step 5: Solve for x
    x = 23,018,027.27/5,450.30
  6. Step 6: Final answer
    x = 4,223.26

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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.