Home / 3,143.11-4,715.40-1,063.08

Finding the Fourth Proportional to 3,143.11, 4,715.40 and 1,063.08

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Solution

The fourth proportional to 3,143.11, 4,715.40 and 1,063.08 is: 1,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.11 : 4,715.40 = 1,063.08 : x
  2. Step 2: Convert to fraction form
    3,143.11/4,715.40 = 1,063.08/x
  3. Step 3: Cross multiply
    3,143.11x = 4,715.40 × 1,063.08
  4. Step 4: Simplify right side
    3,143.11x = 5,012,847.43
  5. Step 5: Solve for x
    x = 5,012,847.43/3,143.11
  6. Step 6: Final answer
    x = 1,594.87

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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.