Home / 4,083.10-6,121.91-1,890.63

Finding the Fourth Proportional to 4,083.10, 6,121.91 and 1,890.63

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Solution

The fourth proportional to 4,083.10, 6,121.91 and 1,890.63 is: 2,834.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,083.10 : 6,121.91 = 1,890.63 : x
  2. Step 2: Convert to fraction form
    4,083.10/6,121.91 = 1,890.63/x
  3. Step 3: Cross multiply
    4,083.10x = 6,121.91 × 1,890.63
  4. Step 4: Simplify right side
    4,083.10x = 11,574,266.70
  5. Step 5: Solve for x
    x = 11,574,266.70/4,083.10
  6. Step 6: Final answer
    x = 2,834.68

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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.