Home / 2,834.81-3,912.66-1,576.30

Finding the Fourth Proportional to 2,834.81, 3,912.66 and 1,576.30

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Solution

The fourth proportional to 2,834.81, 3,912.66 and 1,576.30 is: 2,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.81 : 3,912.66 = 1,576.30 : x
  2. Step 2: Convert to fraction form
    2,834.81/3,912.66 = 1,576.30/x
  3. Step 3: Cross multiply
    2,834.81x = 3,912.66 × 1,576.30
  4. Step 4: Simplify right side
    2,834.81x = 6,167,516.18
  5. Step 5: Solve for x
    x = 6,167,516.18/2,834.81
  6. Step 6: Final answer
    x = 2,175.63

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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.