Home / 4,615.28-6,922.80-1,152.56

Finding the Fourth Proportional to 4,615.28, 6,922.80 and 1,152.56

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Solution

The fourth proportional to 4,615.28, 6,922.80 and 1,152.56 is: 1,728.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.28 : 6,922.80 = 1,152.56 : x
  2. Step 2: Convert to fraction form
    4,615.28/6,922.80 = 1,152.56/x
  3. Step 3: Cross multiply
    4,615.28x = 6,922.80 × 1,152.56
  4. Step 4: Simplify right side
    4,615.28x = 7,978,942.37
  5. Step 5: Solve for x
    x = 7,978,942.37/4,615.28
  6. Step 6: Final answer
    x = 1,728.81

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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.