Home / 7,933.76-11,896.48-2,738.40

Finding the Fourth Proportional to 7,933.76, 11,896.48 and 2,738.40

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Solution

The fourth proportional to 7,933.76, 11,896.48 and 2,738.40 is: 4,106.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.76 : 11,896.48 = 2,738.40 : x
  2. Step 2: Convert to fraction form
    7,933.76/11,896.48 = 2,738.40/x
  3. Step 3: Cross multiply
    7,933.76x = 11,896.48 × 2,738.40
  4. Step 4: Simplify right side
    7,933.76x = 32,577,320.83
  5. Step 5: Solve for x
    x = 32,577,320.83/7,933.76
  6. Step 6: Final answer
    x = 4,106.16

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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.