Home / 3,316.54-4,975.13-1,236.05

Finding the Fourth Proportional to 3,316.54, 4,975.13 and 1,236.05

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Solution

The fourth proportional to 3,316.54, 4,975.13 and 1,236.05 is: 1,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.54 : 4,975.13 = 1,236.05 : x
  2. Step 2: Convert to fraction form
    3,316.54/4,975.13 = 1,236.05/x
  3. Step 3: Cross multiply
    3,316.54x = 4,975.13 × 1,236.05
  4. Step 4: Simplify right side
    3,316.54x = 6,149,513.90
  5. Step 5: Solve for x
    x = 6,149,513.90/3,316.54
  6. Step 6: Final answer
    x = 1,854.20

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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.