Home / 2,833.82-3,911.45-1,839.05

Finding the Fourth Proportional to 2,833.82, 3,911.45 and 1,839.05

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Solution

The fourth proportional to 2,833.82, 3,911.45 and 1,839.05 is: 2,538.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,833.82 : 3,911.45 = 1,839.05 : x
  2. Step 2: Convert to fraction form
    2,833.82/3,911.45 = 1,839.05/x
  3. Step 3: Cross multiply
    2,833.82x = 3,911.45 × 1,839.05
  4. Step 4: Simplify right side
    2,833.82x = 7,193,323.37
  5. Step 5: Solve for x
    x = 7,193,323.37/2,833.82
  6. Step 6: Final answer
    x = 2,538.38

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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.