Home / 2,874.14-4,311.28-1,025.30

Finding the Fourth Proportional to 2,874.14, 4,311.28 and 1,025.30

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Solution

The fourth proportional to 2,874.14, 4,311.28 and 1,025.30 is: 1,537.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.14 : 4,311.28 = 1,025.30 : x
  2. Step 2: Convert to fraction form
    2,874.14/4,311.28 = 1,025.30/x
  3. Step 3: Cross multiply
    2,874.14x = 4,311.28 × 1,025.30
  4. Step 4: Simplify right side
    2,874.14x = 4,420,355.38
  5. Step 5: Solve for x
    x = 4,420,355.38/2,874.14
  6. Step 6: Final answer
    x = 1,537.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.