Home / 6,220.80-8,583.93-4,208.61

Finding the Fourth Proportional to 6,220.80, 8,583.93 and 4,208.61

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Solution

The fourth proportional to 6,220.80, 8,583.93 and 4,208.61 is: 5,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.80 : 8,583.93 = 4,208.61 : x
  2. Step 2: Convert to fraction form
    6,220.80/8,583.93 = 4,208.61/x
  3. Step 3: Cross multiply
    6,220.80x = 8,583.93 × 4,208.61
  4. Step 4: Simplify right side
    6,220.80x = 36,126,413.64
  5. Step 5: Solve for x
    x = 36,126,413.64/6,220.80
  6. Step 6: Final answer
    x = 5,807.36

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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.