Home / 5,942.96-8,928.32-5,112.60

Finding the Fourth Proportional to 5,942.96, 8,928.32 and 5,112.60

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Solution

The fourth proportional to 5,942.96, 8,928.32 and 5,112.60 is: 7,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.96 : 8,928.32 = 5,112.60 : x
  2. Step 2: Convert to fraction form
    5,942.96/8,928.32 = 5,112.60/x
  3. Step 3: Cross multiply
    5,942.96x = 8,928.32 × 5,112.60
  4. Step 4: Simplify right side
    5,942.96x = 45,646,903.27
  5. Step 5: Solve for x
    x = 45,646,903.27/5,942.96
  6. Step 6: Final answer
    x = 7,680.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.