Home / 2,067.21-2,852.73-1,122.99

Finding the Fourth Proportional to 2,067.21, 2,852.73 and 1,122.99

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Solution

The fourth proportional to 2,067.21, 2,852.73 and 1,122.99 is: 1,549.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.21 : 2,852.73 = 1,122.99 : x
  2. Step 2: Convert to fraction form
    2,067.21/2,852.73 = 1,122.99/x
  3. Step 3: Cross multiply
    2,067.21x = 2,852.73 × 1,122.99
  4. Step 4: Simplify right side
    2,067.21x = 3,203,587.26
  5. Step 5: Solve for x
    x = 3,203,587.26/2,067.21
  6. Step 6: Final answer
    x = 1,549.72

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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.