Home / 3,409.07-4,704.71-1,896.65

Finding the Fourth Proportional to 3,409.07, 4,704.71 and 1,896.65

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Solution

The fourth proportional to 3,409.07, 4,704.71 and 1,896.65 is: 2,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.07 : 4,704.71 = 1,896.65 : x
  2. Step 2: Convert to fraction form
    3,409.07/4,704.71 = 1,896.65/x
  3. Step 3: Cross multiply
    3,409.07x = 4,704.71 × 1,896.65
  4. Step 4: Simplify right side
    3,409.07x = 8,923,155.21
  5. Step 5: Solve for x
    x = 8,923,155.21/3,409.07
  6. Step 6: Final answer
    x = 2,617.48

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Double scale
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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.