Home / 4,980.08-7,467.57-2,788.22

Finding the Fourth Proportional to 4,980.08, 7,467.57 and 2,788.22

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Solution

The fourth proportional to 4,980.08, 7,467.57 and 2,788.22 is: 4,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.08 : 7,467.57 = 2,788.22 : x
  2. Step 2: Convert to fraction form
    4,980.08/7,467.57 = 2,788.22/x
  3. Step 3: Cross multiply
    4,980.08x = 7,467.57 × 2,788.22
  4. Step 4: Simplify right side
    4,980.08x = 20,821,228.03
  5. Step 5: Solve for x
    x = 20,821,228.03/4,980.08
  6. Step 6: Final answer
    x = 4,180.90

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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.