Home / 5,021.86-7,528.58-3,172.44

Finding the Fourth Proportional to 5,021.86, 7,528.58 and 3,172.44

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Solution

The fourth proportional to 5,021.86, 7,528.58 and 3,172.44 is: 4,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.86 : 7,528.58 = 3,172.44 : x
  2. Step 2: Convert to fraction form
    5,021.86/7,528.58 = 3,172.44/x
  3. Step 3: Cross multiply
    5,021.86x = 7,528.58 × 3,172.44
  4. Step 4: Simplify right side
    5,021.86x = 23,883,968.34
  5. Step 5: Solve for x
    x = 23,883,968.34/5,021.86
  6. Step 6: Final answer
    x = 4,756.00

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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.