Home / 2,067.23-2,852.80-1,123.02

Finding the Fourth Proportional to 2,067.23, 2,852.80 and 1,123.02

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Solution

The fourth proportional to 2,067.23, 2,852.80 and 1,123.02 is: 1,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,067.23 : 2,852.80 = 1,123.02 : x
  2. Step 2: Convert to fraction form
    2,067.23/2,852.80 = 1,123.02/x
  3. Step 3: Cross multiply
    2,067.23x = 2,852.80 × 1,123.02
  4. Step 4: Simplify right side
    2,067.23x = 3,203,751.46
  5. Step 5: Solve for x
    x = 3,203,751.46/2,067.23
  6. Step 6: Final answer
    x = 1,549.78

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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.