Home / 5,172.02-7,759.26-1,474.32

Finding the Fourth Proportional to 5,172.02, 7,759.26 and 1,474.32

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Solution

The fourth proportional to 5,172.02, 7,759.26 and 1,474.32 is: 2,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.02 : 7,759.26 = 1,474.32 : x
  2. Step 2: Convert to fraction form
    5,172.02/7,759.26 = 1,474.32/x
  3. Step 3: Cross multiply
    5,172.02x = 7,759.26 × 1,474.32
  4. Step 4: Simplify right side
    5,172.02x = 11,439,632.20
  5. Step 5: Solve for x
    x = 11,439,632.20/5,172.02
  6. Step 6: Final answer
    x = 2,211.83

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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.