Home / 3,277.23-4,915.77-812.01

Finding the Fourth Proportional to 3,277.23, 4,915.77 and 812.01

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Solution

The fourth proportional to 3,277.23, 4,915.77 and 812.01 is: 1,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.23 : 4,915.77 = 812.01 : x
  2. Step 2: Convert to fraction form
    3,277.23/4,915.77 = 812.01/x
  3. Step 3: Cross multiply
    3,277.23x = 4,915.77 × 812.01
  4. Step 4: Simplify right side
    3,277.23x = 3,991,654.40
  5. Step 5: Solve for x
    x = 3,991,654.40/3,277.23
  6. Step 6: Final answer
    x = 1,218.00

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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.