Home / 2,675.07-4,012.41-825.99

Finding the Fourth Proportional to 2,675.07, 4,012.41 and 825.99

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Solution

The fourth proportional to 2,675.07, 4,012.41 and 825.99 is: 1,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,675.07 : 4,012.41 = 825.99 : x
  2. Step 2: Convert to fraction form
    2,675.07/4,012.41 = 825.99/x
  3. Step 3: Cross multiply
    2,675.07x = 4,012.41 × 825.99
  4. Step 4: Simplify right side
    2,675.07x = 3,314,190.47
  5. Step 5: Solve for x
    x = 3,314,190.47/2,675.07
  6. Step 6: Final answer
    x = 1,238.92

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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.