Home / 5,053.41-7,581.11-2,131.70

Finding the Fourth Proportional to 5,053.41, 7,581.11 and 2,131.70

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Solution

The fourth proportional to 5,053.41, 7,581.11 and 2,131.70 is: 3,197.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.41 : 7,581.11 = 2,131.70 : x
  2. Step 2: Convert to fraction form
    5,053.41/7,581.11 = 2,131.70/x
  3. Step 3: Cross multiply
    5,053.41x = 7,581.11 × 2,131.70
  4. Step 4: Simplify right side
    5,053.41x = 16,160,603.62
  5. Step 5: Solve for x
    x = 16,160,603.62/5,053.41
  6. Step 6: Final answer
    x = 3,197.96

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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.