Home / 5,555.75-7,667.60-3,197.84

Finding the Fourth Proportional to 5,555.75, 7,667.60 and 3,197.84

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Solution

The fourth proportional to 5,555.75, 7,667.60 and 3,197.84 is: 4,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.75 : 7,667.60 = 3,197.84 : x
  2. Step 2: Convert to fraction form
    5,555.75/7,667.60 = 3,197.84/x
  3. Step 3: Cross multiply
    5,555.75x = 7,667.60 × 3,197.84
  4. Step 4: Simplify right side
    5,555.75x = 24,519,703.66
  5. Step 5: Solve for x
    x = 24,519,703.66/5,555.75
  6. Step 6: Final answer
    x = 4,413.40

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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.