Home / 1,775.85-2,450.25-1,067.45

Finding the Fourth Proportional to 1,775.85, 2,450.25 and 1,067.45

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Solution

The fourth proportional to 1,775.85, 2,450.25 and 1,067.45 is: 1,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.85 : 2,450.25 = 1,067.45 : x
  2. Step 2: Convert to fraction form
    1,775.85/2,450.25 = 1,067.45/x
  3. Step 3: Cross multiply
    1,775.85x = 2,450.25 × 1,067.45
  4. Step 4: Simplify right side
    1,775.85x = 2,615,519.36
  5. Step 5: Solve for x
    x = 2,615,519.36/1,775.85
  6. Step 6: Final answer
    x = 1,472.83

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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.