Home / 3,414.78-4,711.14-2,236.53

Finding the Fourth Proportional to 3,414.78, 4,711.14 and 2,236.53

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Solution

The fourth proportional to 3,414.78, 4,711.14 and 2,236.53 is: 3,085.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.78 : 4,711.14 = 2,236.53 : x
  2. Step 2: Convert to fraction form
    3,414.78/4,711.14 = 2,236.53/x
  3. Step 3: Cross multiply
    3,414.78x = 4,711.14 × 2,236.53
  4. Step 4: Simplify right side
    3,414.78x = 10,536,605.94
  5. Step 5: Solve for x
    x = 10,536,605.94/3,414.78
  6. Step 6: Final answer
    x = 3,085.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.