Home / 2,790.26-3,850.56-1,548.26

Finding the Fourth Proportional to 2,790.26, 3,850.56 and 1,548.26

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Solution

The fourth proportional to 2,790.26, 3,850.56 and 1,548.26 is: 2,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.26 : 3,850.56 = 1,548.26 : x
  2. Step 2: Convert to fraction form
    2,790.26/3,850.56 = 1,548.26/x
  3. Step 3: Cross multiply
    2,790.26x = 3,850.56 × 1,548.26
  4. Step 4: Simplify right side
    2,790.26x = 5,961,668.03
  5. Step 5: Solve for x
    x = 5,961,668.03/2,790.26
  6. Step 6: Final answer
    x = 2,136.60

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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.