Home / 2,306.07-3,181.55-1,775.12

Finding the Fourth Proportional to 2,306.07, 3,181.55 and 1,775.12

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Solution

The fourth proportional to 2,306.07, 3,181.55 and 1,775.12 is: 2,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.07 : 3,181.55 = 1,775.12 : x
  2. Step 2: Convert to fraction form
    2,306.07/3,181.55 = 1,775.12/x
  3. Step 3: Cross multiply
    2,306.07x = 3,181.55 × 1,775.12
  4. Step 4: Simplify right side
    2,306.07x = 5,647,608.25
  5. Step 5: Solve for x
    x = 5,647,608.25/2,306.07
  6. Step 6: Final answer
    x = 2,449.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.