Home / 5,747.09-8,621.91-1,851.26

Finding the Fourth Proportional to 5,747.09, 8,621.91 and 1,851.26

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Solution

The fourth proportional to 5,747.09, 8,621.91 and 1,851.26 is: 2,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747.09 : 8,621.91 = 1,851.26 : x
  2. Step 2: Convert to fraction form
    5,747.09/8,621.91 = 1,851.26/x
  3. Step 3: Cross multiply
    5,747.09x = 8,621.91 × 1,851.26
  4. Step 4: Simplify right side
    5,747.09x = 15,961,354.00
  5. Step 5: Solve for x
    x = 15,961,354.00/5,747.09
  6. Step 6: Final answer
    x = 2,777.30

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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.