Home / 5,101.23-7,651.23-1,403.83

Finding the Fourth Proportional to 5,101.23, 7,651.23 and 1,403.83

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Solution

The fourth proportional to 5,101.23, 7,651.23 and 1,403.83 is: 2,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.23 : 7,651.23 = 1,403.83 : x
  2. Step 2: Convert to fraction form
    5,101.23/7,651.23 = 1,403.83/x
  3. Step 3: Cross multiply
    5,101.23x = 7,651.23 × 1,403.83
  4. Step 4: Simplify right side
    5,101.23x = 10,741,026.21
  5. Step 5: Solve for x
    x = 10,741,026.21/5,101.23
  6. Step 6: Final answer
    x = 2,105.58

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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.