Home / 5,480.02-8,201.76-4,821.52

Finding the Fourth Proportional to 5,480.02, 8,201.76 and 4,821.52

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Solution

The fourth proportional to 5,480.02, 8,201.76 and 4,821.52 is: 7,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.02 : 8,201.76 = 4,821.52 : x
  2. Step 2: Convert to fraction form
    5,480.02/8,201.76 = 4,821.52/x
  3. Step 3: Cross multiply
    5,480.02x = 8,201.76 × 4,821.52
  4. Step 4: Simplify right side
    5,480.02x = 39,544,949.88
  5. Step 5: Solve for x
    x = 39,544,949.88/5,480.02
  6. Step 6: Final answer
    x = 7,216.21

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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.