Home / 2,249.21-3,373.61-788.29

Finding the Fourth Proportional to 2,249.21, 3,373.61 and 788.29

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Solution

The fourth proportional to 2,249.21, 3,373.61 and 788.29 is: 1,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.21 : 3,373.61 = 788.29 : x
  2. Step 2: Convert to fraction form
    2,249.21/3,373.61 = 788.29/x
  3. Step 3: Cross multiply
    2,249.21x = 3,373.61 × 788.29
  4. Step 4: Simplify right side
    2,249.21x = 2,659,370.65
  5. Step 5: Solve for x
    x = 2,659,370.65/2,249.21
  6. Step 6: Final answer
    x = 1,182.36

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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.