Home / 6,078.92-9,118.67-2,183.40

Finding the Fourth Proportional to 6,078.92, 9,118.67 and 2,183.40

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Solution

The fourth proportional to 6,078.92, 9,118.67 and 2,183.40 is: 3,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.92 : 9,118.67 = 2,183.40 : x
  2. Step 2: Convert to fraction form
    6,078.92/9,118.67 = 2,183.40/x
  3. Step 3: Cross multiply
    6,078.92x = 9,118.67 × 2,183.40
  4. Step 4: Simplify right side
    6,078.92x = 19,909,693.16
  5. Step 5: Solve for x
    x = 19,909,693.16/6,078.92
  6. Step 6: Final answer
    x = 3,275.21

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1.5x scale

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.