Home / 3,815.75-5,720.37-1,735.02

Finding the Fourth Proportional to 3,815.75, 5,720.37 and 1,735.02

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Solution

The fourth proportional to 3,815.75, 5,720.37 and 1,735.02 is: 2,601.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.75 : 5,720.37 = 1,735.02 : x
  2. Step 2: Convert to fraction form
    3,815.75/5,720.37 = 1,735.02/x
  3. Step 3: Cross multiply
    3,815.75x = 5,720.37 × 1,735.02
  4. Step 4: Simplify right side
    3,815.75x = 9,924,959.61
  5. Step 5: Solve for x
    x = 9,924,959.61/3,815.75
  6. Step 6: Final answer
    x = 2,601.05

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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.