Home / 5,172.20-7,753.59-1,884.54

Finding the Fourth Proportional to 5,172.20, 7,753.59 and 1,884.54

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Solution

The fourth proportional to 5,172.20, 7,753.59 and 1,884.54 is: 2,825.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172.20 : 7,753.59 = 1,884.54 : x
  2. Step 2: Convert to fraction form
    5,172.20/7,753.59 = 1,884.54/x
  3. Step 3: Cross multiply
    5,172.20x = 7,753.59 × 1,884.54
  4. Step 4: Simplify right side
    5,172.20x = 14,611,950.50
  5. Step 5: Solve for x
    x = 14,611,950.50/5,172.20
  6. Step 6: Final answer
    x = 2,825.10

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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.