Home / 4,991.26-6,886.74-3,222.50

Finding the Fourth Proportional to 4,991.26, 6,886.74 and 3,222.50

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Solution

The fourth proportional to 4,991.26, 6,886.74 and 3,222.50 is: 4,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.26 : 6,886.74 = 3,222.50 : x
  2. Step 2: Convert to fraction form
    4,991.26/6,886.74 = 3,222.50/x
  3. Step 3: Cross multiply
    4,991.26x = 6,886.74 × 3,222.50
  4. Step 4: Simplify right side
    4,991.26x = 22,192,519.65
  5. Step 5: Solve for x
    x = 22,192,519.65/4,991.26
  6. Step 6: Final answer
    x = 4,446.28

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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.