Home / 5,052.78-6,972.82-2,814.75

Finding the Fourth Proportional to 5,052.78, 6,972.82 and 2,814.75

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Solution

The fourth proportional to 5,052.78, 6,972.82 and 2,814.75 is: 3,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.78 : 6,972.82 = 2,814.75 : x
  2. Step 2: Convert to fraction form
    5,052.78/6,972.82 = 2,814.75/x
  3. Step 3: Cross multiply
    5,052.78x = 6,972.82 × 2,814.75
  4. Step 4: Simplify right side
    5,052.78x = 19,626,738.06
  5. Step 5: Solve for x
    x = 19,626,738.06/5,052.78
  6. Step 6: Final answer
    x = 3,884.34

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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.