Home / 6,223.80-8,589.60-3,571.32

Finding the Fourth Proportional to 6,223.80, 8,589.60 and 3,571.32

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Solution

The fourth proportional to 6,223.80, 8,589.60 and 3,571.32 is: 4,928.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.80 : 8,589.60 = 3,571.32 : x
  2. Step 2: Convert to fraction form
    6,223.80/8,589.60 = 3,571.32/x
  3. Step 3: Cross multiply
    6,223.80x = 8,589.60 × 3,571.32
  4. Step 4: Simplify right side
    6,223.80x = 30,676,210.27
  5. Step 5: Solve for x
    x = 30,676,210.27/6,223.80
  6. Step 6: Final answer
    x = 4,928.86

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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.