Home / 6,078.95-9,121.84-2,792.30

Finding the Fourth Proportional to 6,078.95, 9,121.84 and 2,792.30

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Solution

The fourth proportional to 6,078.95, 9,121.84 and 2,792.30 is: 4,190.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.95 : 9,121.84 = 2,792.30 : x
  2. Step 2: Convert to fraction form
    6,078.95/9,121.84 = 2,792.30/x
  3. Step 3: Cross multiply
    6,078.95x = 9,121.84 × 2,792.30
  4. Step 4: Simplify right side
    6,078.95x = 25,470,894.75
  5. Step 5: Solve for x
    x = 25,470,894.75/6,078.95
  6. Step 6: Final answer
    x = 4,190.02

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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.