Home / 4,920.21-7,380.99-1,633.23

Finding the Fourth Proportional to 4,920.21, 7,380.99 and 1,633.23

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Solution

The fourth proportional to 4,920.21, 7,380.99 and 1,633.23 is: 2,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.21 : 7,380.99 = 1,633.23 : x
  2. Step 2: Convert to fraction form
    4,920.21/7,380.99 = 1,633.23/x
  3. Step 3: Cross multiply
    4,920.21x = 7,380.99 × 1,633.23
  4. Step 4: Simplify right side
    4,920.21x = 12,054,854.30
  5. Step 5: Solve for x
    x = 12,054,854.30/4,920.21
  6. Step 6: Final answer
    x = 2,450.07

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1.5x scale

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.