Home / 2,874.10-4,311.18-1,574.86

Finding the Fourth Proportional to 2,874.10, 4,311.18 and 1,574.86

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Solution

The fourth proportional to 2,874.10, 4,311.18 and 1,574.86 is: 2,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.10 : 4,311.18 = 1,574.86 : x
  2. Step 2: Convert to fraction form
    2,874.10/4,311.18 = 1,574.86/x
  3. Step 3: Cross multiply
    2,874.10x = 4,311.18 × 1,574.86
  4. Step 4: Simplify right side
    2,874.10x = 6,789,497.06
  5. Step 5: Solve for x
    x = 6,789,497.06/2,874.10
  6. Step 6: Final answer
    x = 2,362.30

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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.