Home / 3,143.42-4,710.58-1,738.11

Finding the Fourth Proportional to 3,143.42, 4,710.58 and 1,738.11

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Solution

The fourth proportional to 3,143.42, 4,710.58 and 1,738.11 is: 2,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.42 : 4,710.58 = 1,738.11 : x
  2. Step 2: Convert to fraction form
    3,143.42/4,710.58 = 1,738.11/x
  3. Step 3: Cross multiply
    3,143.42x = 4,710.58 × 1,738.11
  4. Step 4: Simplify right side
    3,143.42x = 8,187,506.20
  5. Step 5: Solve for x
    x = 8,187,506.20/3,143.42
  6. Step 6: Final answer
    x = 2,604.65

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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.