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Finding the Fourth Proportional to 2,877.33, 3,971.09 and 1,758.03

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Solution

The fourth proportional to 2,877.33, 3,971.09 and 1,758.03 is: 2,426.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.33 : 3,971.09 = 1,758.03 : x
  2. Step 2: Convert to fraction form
    2,877.33/3,971.09 = 1,758.03/x
  3. Step 3: Cross multiply
    2,877.33x = 3,971.09 × 1,758.03
  4. Step 4: Simplify right side
    2,877.33x = 6,981,295.35
  5. Step 5: Solve for x
    x = 6,981,295.35/2,877.33
  6. Step 6: Final answer
    x = 2,426.31

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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.