Home / 3,316.85-4,975.27-1,236.82

Finding the Fourth Proportional to 3,316.85, 4,975.27 and 1,236.82

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Solution

The fourth proportional to 3,316.85, 4,975.27 and 1,236.82 is: 1,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.85 : 4,975.27 = 1,236.82 : x
  2. Step 2: Convert to fraction form
    3,316.85/4,975.27 = 1,236.82/x
  3. Step 3: Cross multiply
    3,316.85x = 4,975.27 × 1,236.82
  4. Step 4: Simplify right side
    3,316.85x = 6,153,502.55
  5. Step 5: Solve for x
    x = 6,153,502.55/3,316.85
  6. Step 6: Final answer
    x = 1,855.23

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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.