Home / 3,032.12-4,183.80-1,911.12

Finding the Fourth Proportional to 3,032.12, 4,183.80 and 1,911.12

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Solution

The fourth proportional to 3,032.12, 4,183.80 and 1,911.12 is: 2,637.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.12 : 4,183.80 = 1,911.12 : x
  2. Step 2: Convert to fraction form
    3,032.12/4,183.80 = 1,911.12/x
  3. Step 3: Cross multiply
    3,032.12x = 4,183.80 × 1,911.12
  4. Step 4: Simplify right side
    3,032.12x = 7,995,743.86
  5. Step 5: Solve for x
    x = 7,995,743.86/3,032.12
  6. Step 6: Final answer
    x = 2,637.01

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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.