Home / 7,093.19-9,788.60-3,949.31

Finding the Fourth Proportional to 7,093.19, 9,788.60 and 3,949.31

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Solution

The fourth proportional to 7,093.19, 9,788.60 and 3,949.31 is: 5,450.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,093.19 : 9,788.60 = 3,949.31 : x
  2. Step 2: Convert to fraction form
    7,093.19/9,788.60 = 3,949.31/x
  3. Step 3: Cross multiply
    7,093.19x = 9,788.60 × 3,949.31
  4. Step 4: Simplify right side
    7,093.19x = 38,658,215.87
  5. Step 5: Solve for x
    x = 38,658,215.87/7,093.19
  6. Step 6: Final answer
    x = 5,450.05

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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.