Home / 5,153.92-7,112.41-2,796.06

Finding the Fourth Proportional to 5,153.92, 7,112.41 and 2,796.06

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Solution

The fourth proportional to 5,153.92, 7,112.41 and 2,796.06 is: 3,858.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.92 : 7,112.41 = 2,796.06 : x
  2. Step 2: Convert to fraction form
    5,153.92/7,112.41 = 2,796.06/x
  3. Step 3: Cross multiply
    5,153.92x = 7,112.41 × 2,796.06
  4. Step 4: Simplify right side
    5,153.92x = 19,886,728.60
  5. Step 5: Solve for x
    x = 19,886,728.60/5,153.92
  6. Step 6: Final answer
    x = 3,858.56

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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.