Home / 3,020.38-4,168.13-1,676.01

Finding the Fourth Proportional to 3,020.38, 4,168.13 and 1,676.01

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Solution

The fourth proportional to 3,020.38, 4,168.13 and 1,676.01 is: 2,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.38 : 4,168.13 = 1,676.01 : x
  2. Step 2: Convert to fraction form
    3,020.38/4,168.13 = 1,676.01/x
  3. Step 3: Cross multiply
    3,020.38x = 4,168.13 × 1,676.01
  4. Step 4: Simplify right side
    3,020.38x = 6,985,847.38
  5. Step 5: Solve for x
    x = 6,985,847.38/3,020.38
  6. Step 6: Final answer
    x = 2,312.91

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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.