Home / 3,376.42-4,660.68-2,314.78

Finding the Fourth Proportional to 3,376.42, 4,660.68 and 2,314.78

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Solution

The fourth proportional to 3,376.42, 4,660.68 and 2,314.78 is: 3,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.42 : 4,660.68 = 2,314.78 : x
  2. Step 2: Convert to fraction form
    3,376.42/4,660.68 = 2,314.78/x
  3. Step 3: Cross multiply
    3,376.42x = 4,660.68 × 2,314.78
  4. Step 4: Simplify right side
    3,376.42x = 10,788,448.85
  5. Step 5: Solve for x
    x = 10,788,448.85/3,376.42
  6. Step 6: Final answer
    x = 3,195.23

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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.