Home / 4,920.88-7,378.26-1,633.12

Finding the Fourth Proportional to 4,920.88, 7,378.26 and 1,633.12

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Solution

The fourth proportional to 4,920.88, 7,378.26 and 1,633.12 is: 2,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.88 : 7,378.26 = 1,633.12 : x
  2. Step 2: Convert to fraction form
    4,920.88/7,378.26 = 1,633.12/x
  3. Step 3: Cross multiply
    4,920.88x = 7,378.26 × 1,633.12
  4. Step 4: Simplify right side
    4,920.88x = 12,049,583.97
  5. Step 5: Solve for x
    x = 12,049,583.97/4,920.88
  6. Step 6: Final answer
    x = 2,448.66

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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.