Home / 5,218.02-7,855.20-4,766.04

Finding the Fourth Proportional to 5,218.02, 7,855.20 and 4,766.04

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Solution

The fourth proportional to 5,218.02, 7,855.20 and 4,766.04 is: 7,174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.02 : 7,855.20 = 4,766.04 : x
  2. Step 2: Convert to fraction form
    5,218.02/7,855.20 = 4,766.04/x
  3. Step 3: Cross multiply
    5,218.02x = 7,855.20 × 4,766.04
  4. Step 4: Simplify right side
    5,218.02x = 37,438,197.41
  5. Step 5: Solve for x
    x = 37,438,197.41/5,218.02
  6. Step 6: Final answer
    x = 7,174.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.