Home / 1,819.08-2,516.88-1,586.64

Finding the Fourth Proportional to 1,819.08, 2,516.88 and 1,586.64

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Solution

The fourth proportional to 1,819.08, 2,516.88 and 1,586.64 is: 2,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.08 : 2,516.88 = 1,586.64 : x
  2. Step 2: Convert to fraction form
    1,819.08/2,516.88 = 1,586.64/x
  3. Step 3: Cross multiply
    1,819.08x = 2,516.88 × 1,586.64
  4. Step 4: Simplify right side
    1,819.08x = 3,993,382.48
  5. Step 5: Solve for x
    x = 3,993,382.48/1,819.08
  6. Step 6: Final answer
    x = 2,195.28

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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.