Home / 4,766.90-7,136.45-3,539.75

Finding the Fourth Proportional to 4,766.90, 7,136.45 and 3,539.75

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Solution

The fourth proportional to 4,766.90, 7,136.45 and 3,539.75 is: 5,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,766.90 : 7,136.45 = 3,539.75 : x
  2. Step 2: Convert to fraction form
    4,766.90/7,136.45 = 3,539.75/x
  3. Step 3: Cross multiply
    4,766.90x = 7,136.45 × 3,539.75
  4. Step 4: Simplify right side
    4,766.90x = 25,261,268.83
  5. Step 5: Solve for x
    x = 25,261,268.83/4,766.90
  6. Step 6: Final answer
    x = 5,299.31

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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.