Home / 2,279.14-3,413.95-1,180.17

Finding the Fourth Proportional to 2,279.14, 3,413.95 and 1,180.17

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Solution

The fourth proportional to 2,279.14, 3,413.95 and 1,180.17 is: 1,767.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.14 : 3,413.95 = 1,180.17 : x
  2. Step 2: Convert to fraction form
    2,279.14/3,413.95 = 1,180.17/x
  3. Step 3: Cross multiply
    2,279.14x = 3,413.95 × 1,180.17
  4. Step 4: Simplify right side
    2,279.14x = 4,029,038.42
  5. Step 5: Solve for x
    x = 4,029,038.42/2,279.14
  6. Step 6: Final answer
    x = 1,767.79

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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.