Home / 2,367.39-3,266.87-1,305.12

Finding the Fourth Proportional to 2,367.39, 3,266.87 and 1,305.12

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Solution

The fourth proportional to 2,367.39, 3,266.87 and 1,305.12 is: 1,800.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.39 : 3,266.87 = 1,305.12 : x
  2. Step 2: Convert to fraction form
    2,367.39/3,266.87 = 1,305.12/x
  3. Step 3: Cross multiply
    2,367.39x = 3,266.87 × 1,305.12
  4. Step 4: Simplify right side
    2,367.39x = 4,263,650.85
  5. Step 5: Solve for x
    x = 4,263,650.85/2,367.39
  6. Step 6: Final answer
    x = 1,800.99

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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.