Home / 4,187.25-5,777.97-2,419.42

Finding the Fourth Proportional to 4,187.25, 5,777.97 and 2,419.42

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Solution

The fourth proportional to 4,187.25, 5,777.97 and 2,419.42 is: 3,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.25 : 5,777.97 = 2,419.42 : x
  2. Step 2: Convert to fraction form
    4,187.25/5,777.97 = 2,419.42/x
  3. Step 3: Cross multiply
    4,187.25x = 5,777.97 × 2,419.42
  4. Step 4: Simplify right side
    4,187.25x = 13,979,336.18
  5. Step 5: Solve for x
    x = 13,979,336.18/4,187.25
  6. Step 6: Final answer
    x = 3,338.55

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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.