Home / 3,079.08-4,244.01-2,181.66

Finding the Fourth Proportional to 3,079.08, 4,244.01 and 2,181.66

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Solution

The fourth proportional to 3,079.08, 4,244.01 and 2,181.66 is: 3,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.08 : 4,244.01 = 2,181.66 : x
  2. Step 2: Convert to fraction form
    3,079.08/4,244.01 = 2,181.66/x
  3. Step 3: Cross multiply
    3,079.08x = 4,244.01 × 2,181.66
  4. Step 4: Simplify right side
    3,079.08x = 9,258,986.86
  5. Step 5: Solve for x
    x = 9,258,986.86/3,079.08
  6. Step 6: Final answer
    x = 3,007.06

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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.