Home / 5,413.98-8,112.47-4,184.40

Finding the Fourth Proportional to 5,413.98, 8,112.47 and 4,184.40

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Solution

The fourth proportional to 5,413.98, 8,112.47 and 4,184.40 is: 6,270.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413.98 : 8,112.47 = 4,184.40 : x
  2. Step 2: Convert to fraction form
    5,413.98/8,112.47 = 4,184.40/x
  3. Step 3: Cross multiply
    5,413.98x = 8,112.47 × 4,184.40
  4. Step 4: Simplify right side
    5,413.98x = 33,945,798.55
  5. Step 5: Solve for x
    x = 33,945,798.55/5,413.98
  6. Step 6: Final answer
    x = 6,270.03

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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.