Home / 1,966.08-2,709.68-1,511.04

Finding the Fourth Proportional to 1,966.08, 2,709.68 and 1,511.04

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Solution

The fourth proportional to 1,966.08, 2,709.68 and 1,511.04 is: 2,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.08 : 2,709.68 = 1,511.04 : x
  2. Step 2: Convert to fraction form
    1,966.08/2,709.68 = 1,511.04/x
  3. Step 3: Cross multiply
    1,966.08x = 2,709.68 × 1,511.04
  4. Step 4: Simplify right side
    1,966.08x = 4,094,434.87
  5. Step 5: Solve for x
    x = 4,094,434.87/1,966.08
  6. Step 6: Final answer
    x = 2,082.54

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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.