Home / 2,789.58-4,184.37-1,249.50

Finding the Fourth Proportional to 2,789.58, 4,184.37 and 1,249.50

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Solution

The fourth proportional to 2,789.58, 4,184.37 and 1,249.50 is: 1,874.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.58 : 4,184.37 = 1,249.50 : x
  2. Step 2: Convert to fraction form
    2,789.58/4,184.37 = 1,249.50/x
  3. Step 3: Cross multiply
    2,789.58x = 4,184.37 × 1,249.50
  4. Step 4: Simplify right side
    2,789.58x = 5,228,370.32
  5. Step 5: Solve for x
    x = 5,228,370.32/2,789.58
  6. Step 6: Final answer
    x = 1,874.25

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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.