Home / 3,481.40-4,806.18-2,368.28

Finding the Fourth Proportional to 3,481.40, 4,806.18 and 2,368.28

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Solution

The fourth proportional to 3,481.40, 4,806.18 and 2,368.28 is: 3,269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,481.40 : 4,806.18 = 2,368.28 : x
  2. Step 2: Convert to fraction form
    3,481.40/4,806.18 = 2,368.28/x
  3. Step 3: Cross multiply
    3,481.40x = 4,806.18 × 2,368.28
  4. Step 4: Simplify right side
    3,481.40x = 11,382,379.97
  5. Step 5: Solve for x
    x = 11,382,379.97/3,481.40
  6. Step 6: Final answer
    x = 3,269.48

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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.