Home / 4,920.24-7,381.38-1,633.16

Finding the Fourth Proportional to 4,920.24, 7,381.38 and 1,633.16

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Solution

The fourth proportional to 4,920.24, 7,381.38 and 1,633.16 is: 2,450.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.24 : 7,381.38 = 1,633.16 : x
  2. Step 2: Convert to fraction form
    4,920.24/7,381.38 = 1,633.16/x
  3. Step 3: Cross multiply
    4,920.24x = 7,381.38 × 1,633.16
  4. Step 4: Simplify right side
    4,920.24x = 12,054,974.56
  5. Step 5: Solve for x
    x = 12,054,974.56/4,920.24
  6. Step 6: Final answer
    x = 2,450.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.