Home / 5,620.28-8,431.32-2,501.36

Finding the Fourth Proportional to 5,620.28, 8,431.32 and 2,501.36

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Solution

The fourth proportional to 5,620.28, 8,431.32 and 2,501.36 is: 3,752.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.28 : 8,431.32 = 2,501.36 : x
  2. Step 2: Convert to fraction form
    5,620.28/8,431.32 = 2,501.36/x
  3. Step 3: Cross multiply
    5,620.28x = 8,431.32 × 2,501.36
  4. Step 4: Simplify right side
    5,620.28x = 21,089,766.60
  5. Step 5: Solve for x
    x = 21,089,766.60/5,620.28
  6. Step 6: Final answer
    x = 3,752.44

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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.