Home / 2,816.08-4,204.61-2,641.12

Finding the Fourth Proportional to 2,816.08, 4,204.61 and 2,641.12

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Solution

The fourth proportional to 2,816.08, 4,204.61 and 2,641.12 is: 3,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.08 : 4,204.61 = 2,641.12 : x
  2. Step 2: Convert to fraction form
    2,816.08/4,204.61 = 2,641.12/x
  3. Step 3: Cross multiply
    2,816.08x = 4,204.61 × 2,641.12
  4. Step 4: Simplify right side
    2,816.08x = 11,104,879.56
  5. Step 5: Solve for x
    x = 11,104,879.56/2,816.08
  6. Step 6: Final answer
    x = 3,943.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.