Home / 3,105.93-4,285.98-1,846.92

Finding the Fourth Proportional to 3,105.93, 4,285.98 and 1,846.92

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Solution

The fourth proportional to 3,105.93, 4,285.98 and 1,846.92 is: 2,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.93 : 4,285.98 = 1,846.92 : x
  2. Step 2: Convert to fraction form
    3,105.93/4,285.98 = 1,846.92/x
  3. Step 3: Cross multiply
    3,105.93x = 4,285.98 × 1,846.92
  4. Step 4: Simplify right side
    3,105.93x = 7,915,862.18
  5. Step 5: Solve for x
    x = 7,915,862.18/3,105.93
  6. Step 6: Final answer
    x = 2,548.63

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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.