Home / 1,909.14-2,837.97-1,853.09

Finding the Fourth Proportional to 1,909.14, 2,837.97 and 1,853.09

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Solution

The fourth proportional to 1,909.14, 2,837.97 and 1,853.09 is: 2,754.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909.14 : 2,837.97 = 1,853.09 : x
  2. Step 2: Convert to fraction form
    1,909.14/2,837.97 = 1,853.09/x
  3. Step 3: Cross multiply
    1,909.14x = 2,837.97 × 1,853.09
  4. Step 4: Simplify right side
    1,909.14x = 5,259,013.83
  5. Step 5: Solve for x
    x = 5,259,013.83/1,909.14
  6. Step 6: Final answer
    x = 2,754.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.