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Finding the Fourth Proportional to 5,647.95, 7,796.93 and 3,760.65

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Solution

The fourth proportional to 5,647.95, 7,796.93 and 3,760.65 is: 5,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,647.95 : 7,796.93 = 3,760.65 : x
  2. Step 2: Convert to fraction form
    5,647.95/7,796.93 = 3,760.65/x
  3. Step 3: Cross multiply
    5,647.95x = 7,796.93 × 3,760.65
  4. Step 4: Simplify right side
    5,647.95x = 29,321,506.00
  5. Step 5: Solve for x
    x = 29,321,506.00/5,647.95
  6. Step 6: Final answer
    x = 5,191.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.