Home / 3,611.25-4,984.56-2,418.53

Finding the Fourth Proportional to 3,611.25, 4,984.56 and 2,418.53

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Solution

The fourth proportional to 3,611.25, 4,984.56 and 2,418.53 is: 3,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.25 : 4,984.56 = 2,418.53 : x
  2. Step 2: Convert to fraction form
    3,611.25/4,984.56 = 2,418.53/x
  3. Step 3: Cross multiply
    3,611.25x = 4,984.56 × 2,418.53
  4. Step 4: Simplify right side
    3,611.25x = 12,055,282.97
  5. Step 5: Solve for x
    x = 12,055,282.97/3,611.25
  6. Step 6: Final answer
    x = 3,338.26

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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.