Home / 1,583.10-2,183.90-1,251

Finding the Fourth Proportional to 1,583.10, 2,183.90 and 1,251

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Solution

The fourth proportional to 1,583.10, 2,183.90 and 1,251 is: 1,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583.10 : 2,183.90 = 1,251 : x
  2. Step 2: Convert to fraction form
    1,583.10/2,183.90 = 1,251/x
  3. Step 3: Cross multiply
    1,583.10x = 2,183.90 × 1,251
  4. Step 4: Simplify right side
    1,583.10x = 2,732,052.65
  5. Step 5: Solve for x
    x = 2,732,052.65/1,583.10
  6. Step 6: Final answer
    x = 1,725.76

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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.