Home / 2,839.83-3,918.70-2,094.19

Finding the Fourth Proportional to 2,839.83, 3,918.70 and 2,094.19

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Solution

The fourth proportional to 2,839.83, 3,918.70 and 2,094.19 is: 2,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,839.83 : 3,918.70 = 2,094.19 : x
  2. Step 2: Convert to fraction form
    2,839.83/3,918.70 = 2,094.19/x
  3. Step 3: Cross multiply
    2,839.83x = 3,918.70 × 2,094.19
  4. Step 4: Simplify right side
    2,839.83x = 8,206,502.35
  5. Step 5: Solve for x
    x = 8,206,502.35/2,839.83
  6. Step 6: Final answer
    x = 2,889.79

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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.