Home / 7,385.04-11,074.36-2,766.80

Finding the Fourth Proportional to 7,385.04, 11,074.36 and 2,766.80

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Solution

The fourth proportional to 7,385.04, 11,074.36 and 2,766.80 is: 4,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.04 : 11,074.36 = 2,766.80 : x
  2. Step 2: Convert to fraction form
    7,385.04/11,074.36 = 2,766.80/x
  3. Step 3: Cross multiply
    7,385.04x = 11,074.36 × 2,766.80
  4. Step 4: Simplify right side
    7,385.04x = 30,640,539.25
  5. Step 5: Solve for x
    x = 30,640,539.25/7,385.04
  6. Step 6: Final answer
    x = 4,149.00

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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.