Home / 6,112.75-9,162.91-2,409.90

Finding the Fourth Proportional to 6,112.75, 9,162.91 and 2,409.90

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Solution

The fourth proportional to 6,112.75, 9,162.91 and 2,409.90 is: 3,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.75 : 9,162.91 = 2,409.90 : x
  2. Step 2: Convert to fraction form
    6,112.75/9,162.91 = 2,409.90/x
  3. Step 3: Cross multiply
    6,112.75x = 9,162.91 × 2,409.90
  4. Step 4: Simplify right side
    6,112.75x = 22,081,696.81
  5. Step 5: Solve for x
    x = 22,081,696.81/6,112.75
  6. Step 6: Final answer
    x = 3,612.40

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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.