Home / 7,090.26-10,639.71-3,195.06

Finding the Fourth Proportional to 7,090.26, 10,639.71 and 3,195.06

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Solution

The fourth proportional to 7,090.26, 10,639.71 and 3,195.06 is: 4,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.26 : 10,639.71 = 3,195.06 : x
  2. Step 2: Convert to fraction form
    7,090.26/10,639.71 = 3,195.06/x
  3. Step 3: Cross multiply
    7,090.26x = 10,639.71 × 3,195.06
  4. Step 4: Simplify right side
    7,090.26x = 33,994,511.83
  5. Step 5: Solve for x
    x = 33,994,511.83/7,090.26
  6. Step 6: Final answer
    x = 4,794.54

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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.