Home / 4,920.34-7,382.67-1,633.90

Finding the Fourth Proportional to 4,920.34, 7,382.67 and 1,633.90

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Solution

The fourth proportional to 4,920.34, 7,382.67 and 1,633.90 is: 2,451.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.34 : 7,382.67 = 1,633.90 : x
  2. Step 2: Convert to fraction form
    4,920.34/7,382.67 = 1,633.90/x
  3. Step 3: Cross multiply
    4,920.34x = 7,382.67 × 1,633.90
  4. Step 4: Simplify right side
    4,920.34x = 12,062,544.51
  5. Step 5: Solve for x
    x = 12,062,544.51/4,920.34
  6. Step 6: Final answer
    x = 2,451.57

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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.