Home / 2,771.68-4,137.23-2,443.63

Finding the Fourth Proportional to 2,771.68, 4,137.23 and 2,443.63

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Solution

The fourth proportional to 2,771.68, 4,137.23 and 2,443.63 is: 3,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.68 : 4,137.23 = 2,443.63 : x
  2. Step 2: Convert to fraction form
    2,771.68/4,137.23 = 2,443.63/x
  3. Step 3: Cross multiply
    2,771.68x = 4,137.23 × 2,443.63
  4. Step 4: Simplify right side
    2,771.68x = 10,109,859.34
  5. Step 5: Solve for x
    x = 10,109,859.34/2,771.68
  6. Step 6: Final answer
    x = 3,647.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.