Home / 3,036-4,189.86-1,777.44

Finding the Fourth Proportional to 3,036, 4,189.86 and 1,777.44

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Solution

The fourth proportional to 3,036, 4,189.86 and 1,777.44 is: 2,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036 : 4,189.86 = 1,777.44 : x
  2. Step 2: Convert to fraction form
    3,036/4,189.86 = 1,777.44/x
  3. Step 3: Cross multiply
    3,036x = 4,189.86 × 1,777.44
  4. Step 4: Simplify right side
    3,036x = 7,447,224.76
  5. Step 5: Solve for x
    x = 7,447,224.76/3,036
  6. Step 6: Final answer
    x = 2,452.97

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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.