Home / 3,491.76-4,813.56-2,440.56

Finding the Fourth Proportional to 3,491.76, 4,813.56 and 2,440.56

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Solution

The fourth proportional to 3,491.76, 4,813.56 and 2,440.56 is: 3,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.76 : 4,813.56 = 2,440.56 : x
  2. Step 2: Convert to fraction form
    3,491.76/4,813.56 = 2,440.56/x
  3. Step 3: Cross multiply
    3,491.76x = 4,813.56 × 2,440.56
  4. Step 4: Simplify right side
    3,491.76x = 11,747,781.99
  5. Step 5: Solve for x
    x = 11,747,781.99/3,491.76
  6. Step 6: Final answer
    x = 3,364.43

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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.