Home / 5,112.72-7,055.51-3,096.23

Finding the Fourth Proportional to 5,112.72, 7,055.51 and 3,096.23

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Solution

The fourth proportional to 5,112.72, 7,055.51 and 3,096.23 is: 4,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.72 : 7,055.51 = 3,096.23 : x
  2. Step 2: Convert to fraction form
    5,112.72/7,055.51 = 3,096.23/x
  3. Step 3: Cross multiply
    5,112.72x = 7,055.51 × 3,096.23
  4. Step 4: Simplify right side
    5,112.72x = 21,845,430.97
  5. Step 5: Solve for x
    x = 21,845,430.97/5,112.72
  6. Step 6: Final answer
    x = 4,272.76

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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.