Home / 4,091.92-5,646.70-2,413.40

Finding the Fourth Proportional to 4,091.92, 5,646.70 and 2,413.40

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Solution

The fourth proportional to 4,091.92, 5,646.70 and 2,413.40 is: 3,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.92 : 5,646.70 = 2,413.40 : x
  2. Step 2: Convert to fraction form
    4,091.92/5,646.70 = 2,413.40/x
  3. Step 3: Cross multiply
    4,091.92x = 5,646.70 × 2,413.40
  4. Step 4: Simplify right side
    4,091.92x = 13,627,745.78
  5. Step 5: Solve for x
    x = 13,627,745.78/4,091.92
  6. Step 6: Final answer
    x = 3,330.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.