Home / 3,439.53-5,151-1,974.24

Finding the Fourth Proportional to 3,439.53, 5,151 and 1,974.24

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Solution

The fourth proportional to 3,439.53, 5,151 and 1,974.24 is: 2,956.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.53 : 5,151 = 1,974.24 : x
  2. Step 2: Convert to fraction form
    3,439.53/5,151 = 1,974.24/x
  3. Step 3: Cross multiply
    3,439.53x = 5,151 × 1,974.24
  4. Step 4: Simplify right side
    3,439.53x = 10,169,310.24
  5. Step 5: Solve for x
    x = 10,169,310.24/3,439.53
  6. Step 6: Final answer
    x = 2,956.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.