Home / 3,218.22-4,829.01-1,757.10

Finding the Fourth Proportional to 3,218.22, 4,829.01 and 1,757.10

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Solution

The fourth proportional to 3,218.22, 4,829.01 and 1,757.10 is: 2,636.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.22 : 4,829.01 = 1,757.10 : x
  2. Step 2: Convert to fraction form
    3,218.22/4,829.01 = 1,757.10/x
  3. Step 3: Cross multiply
    3,218.22x = 4,829.01 × 1,757.10
  4. Step 4: Simplify right side
    3,218.22x = 8,485,053.47
  5. Step 5: Solve for x
    x = 8,485,053.47/3,218.22
  6. Step 6: Final answer
    x = 2,636.57

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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.