Home / 7,660.02-11,480.67-3,268.20

Finding the Fourth Proportional to 7,660.02, 11,480.67 and 3,268.20

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Solution

The fourth proportional to 7,660.02, 11,480.67 and 3,268.20 is: 4,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.02 : 11,480.67 = 3,268.20 : x
  2. Step 2: Convert to fraction form
    7,660.02/11,480.67 = 3,268.20/x
  3. Step 3: Cross multiply
    7,660.02x = 11,480.67 × 3,268.20
  4. Step 4: Simplify right side
    7,660.02x = 37,521,125.69
  5. Step 5: Solve for x
    x = 37,521,125.69/7,660.02
  6. Step 6: Final answer
    x = 4,898.31

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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.