Home / 2,512.96-3,467.87-1,394.06

Finding the Fourth Proportional to 2,512.96, 3,467.87 and 1,394.06

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Solution

The fourth proportional to 2,512.96, 3,467.87 and 1,394.06 is: 1,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.96 : 3,467.87 = 1,394.06 : x
  2. Step 2: Convert to fraction form
    2,512.96/3,467.87 = 1,394.06/x
  3. Step 3: Cross multiply
    2,512.96x = 3,467.87 × 1,394.06
  4. Step 4: Simplify right side
    2,512.96x = 4,834,431.01
  5. Step 5: Solve for x
    x = 4,834,431.01/2,512.96
  6. Step 6: Final answer
    x = 1,923.80

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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.