Home / 7,584.90-11,356.38-3,879.16

Finding the Fourth Proportional to 7,584.90, 11,356.38 and 3,879.16

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Solution

The fourth proportional to 7,584.90, 11,356.38 and 3,879.16 is: 5,808.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.90 : 11,356.38 = 3,879.16 : x
  2. Step 2: Convert to fraction form
    7,584.90/11,356.38 = 3,879.16/x
  3. Step 3: Cross multiply
    7,584.90x = 11,356.38 × 3,879.16
  4. Step 4: Simplify right side
    7,584.90x = 44,053,215.04
  5. Step 5: Solve for x
    x = 44,053,215.04/7,584.90
  6. Step 6: Final answer
    x = 5,808.02

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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.