Home / 6,619.02-9,923.80-3,107.06

Finding the Fourth Proportional to 6,619.02, 9,923.80 and 3,107.06

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Solution

The fourth proportional to 6,619.02, 9,923.80 and 3,107.06 is: 4,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,619.02 : 9,923.80 = 3,107.06 : x
  2. Step 2: Convert to fraction form
    6,619.02/9,923.80 = 3,107.06/x
  3. Step 3: Cross multiply
    6,619.02x = 9,923.80 × 3,107.06
  4. Step 4: Simplify right side
    6,619.02x = 30,833,842.03
  5. Step 5: Solve for x
    x = 30,833,842.03/6,619.02
  6. Step 6: Final answer
    x = 4,658.37

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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.