Home / 6,795.40-9,378.10-3,811.43

Finding the Fourth Proportional to 6,795.40, 9,378.10 and 3,811.43

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Solution

The fourth proportional to 6,795.40, 9,378.10 and 3,811.43 is: 5,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,795.40 : 9,378.10 = 3,811.43 : x
  2. Step 2: Convert to fraction form
    6,795.40/9,378.10 = 3,811.43/x
  3. Step 3: Cross multiply
    6,795.40x = 9,378.10 × 3,811.43
  4. Step 4: Simplify right side
    6,795.40x = 35,743,971.68
  5. Step 5: Solve for x
    x = 35,743,971.68/6,795.40
  6. Step 6: Final answer
    x = 5,260.02

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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.