Home / 5,116.44-7,060.41-2,878.68

Finding the Fourth Proportional to 5,116.44, 7,060.41 and 2,878.68

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Solution

The fourth proportional to 5,116.44, 7,060.41 and 2,878.68 is: 3,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.44 : 7,060.41 = 2,878.68 : x
  2. Step 2: Convert to fraction form
    5,116.44/7,060.41 = 2,878.68/x
  3. Step 3: Cross multiply
    5,116.44x = 7,060.41 × 2,878.68
  4. Step 4: Simplify right side
    5,116.44x = 20,324,661.06
  5. Step 5: Solve for x
    x = 20,324,661.06/5,116.44
  6. Step 6: Final answer
    x = 3,972.42

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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.