Home / 2,981.72-4,452.49-2,434.96

Finding the Fourth Proportional to 2,981.72, 4,452.49 and 2,434.96

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Solution

The fourth proportional to 2,981.72, 4,452.49 and 2,434.96 is: 3,636.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.72 : 4,452.49 = 2,434.96 : x
  2. Step 2: Convert to fraction form
    2,981.72/4,452.49 = 2,434.96/x
  3. Step 3: Cross multiply
    2,981.72x = 4,452.49 × 2,434.96
  4. Step 4: Simplify right side
    2,981.72x = 10,841,635.05
  5. Step 5: Solve for x
    x = 10,841,635.05/2,981.72
  6. Step 6: Final answer
    x = 3,636.03

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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.