Home / 3,079.12-4,243.44-3,022.96

Finding the Fourth Proportional to 3,079.12, 4,243.44 and 3,022.96

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Solution

The fourth proportional to 3,079.12, 4,243.44 and 3,022.96 is: 4,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.12 : 4,243.44 = 3,022.96 : x
  2. Step 2: Convert to fraction form
    3,079.12/4,243.44 = 3,022.96/x
  3. Step 3: Cross multiply
    3,079.12x = 4,243.44 × 3,022.96
  4. Step 4: Simplify right side
    3,079.12x = 12,827,749.38
  5. Step 5: Solve for x
    x = 12,827,749.38/3,079.12
  6. Step 6: Final answer
    x = 4,166.04

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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.