Home / 5,187.27-7,157.31-3,062.46

Finding the Fourth Proportional to 5,187.27, 7,157.31 and 3,062.46

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Solution

The fourth proportional to 5,187.27, 7,157.31 and 3,062.46 is: 4,225.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.27 : 7,157.31 = 3,062.46 : x
  2. Step 2: Convert to fraction form
    5,187.27/7,157.31 = 3,062.46/x
  3. Step 3: Cross multiply
    5,187.27x = 7,157.31 × 3,062.46
  4. Step 4: Simplify right side
    5,187.27x = 21,918,975.58
  5. Step 5: Solve for x
    x = 21,918,975.58/5,187.27
  6. Step 6: Final answer
    x = 4,225.53

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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.