Home / 3,143.49-4,715.82-1,035.24

Finding the Fourth Proportional to 3,143.49, 4,715.82 and 1,035.24

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Solution

The fourth proportional to 3,143.49, 4,715.82 and 1,035.24 is: 1,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.49 : 4,715.82 = 1,035.24 : x
  2. Step 2: Convert to fraction form
    3,143.49/4,715.82 = 1,035.24/x
  3. Step 3: Cross multiply
    3,143.49x = 4,715.82 × 1,035.24
  4. Step 4: Simplify right side
    3,143.49x = 4,882,005.50
  5. Step 5: Solve for x
    x = 4,882,005.50/3,143.49
  6. Step 6: Final answer
    x = 1,553.05

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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.