Home / 3,313.51-4,963.63-1,996.53

Finding the Fourth Proportional to 3,313.51, 4,963.63 and 1,996.53

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Solution

The fourth proportional to 3,313.51, 4,963.63 and 1,996.53 is: 2,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.51 : 4,963.63 = 1,996.53 : x
  2. Step 2: Convert to fraction form
    3,313.51/4,963.63 = 1,996.53/x
  3. Step 3: Cross multiply
    3,313.51x = 4,963.63 × 1,996.53
  4. Step 4: Simplify right side
    3,313.51x = 9,910,001.40
  5. Step 5: Solve for x
    x = 9,910,001.40/3,313.51
  6. Step 6: Final answer
    x = 2,990.79

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1.5x scale

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.