Home / 2,113.20-3,166.68-1,882.53

Finding the Fourth Proportional to 2,113.20, 3,166.68 and 1,882.53

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Solution

The fourth proportional to 2,113.20, 3,166.68 and 1,882.53 is: 2,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113.20 : 3,166.68 = 1,882.53 : x
  2. Step 2: Convert to fraction form
    2,113.20/3,166.68 = 1,882.53/x
  3. Step 3: Cross multiply
    2,113.20x = 3,166.68 × 1,882.53
  4. Step 4: Simplify right side
    2,113.20x = 5,961,370.10
  5. Step 5: Solve for x
    x = 5,961,370.10/2,113.20
  6. Step 6: Final answer
    x = 2,821.02

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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.