Home / 3,994.54-5,511.78-2,316.16

Finding the Fourth Proportional to 3,994.54, 5,511.78 and 2,316.16

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Solution

The fourth proportional to 3,994.54, 5,511.78 and 2,316.16 is: 3,195.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.54 : 5,511.78 = 2,316.16 : x
  2. Step 2: Convert to fraction form
    3,994.54/5,511.78 = 2,316.16/x
  3. Step 3: Cross multiply
    3,994.54x = 5,511.78 × 2,316.16
  4. Step 4: Simplify right side
    3,994.54x = 12,766,164.36
  5. Step 5: Solve for x
    x = 12,766,164.36/3,994.54
  6. Step 6: Final answer
    x = 3,195.90

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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.