Home / 2,992.14-4,129.52-1,666.04

Finding the Fourth Proportional to 2,992.14, 4,129.52 and 1,666.04

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Solution

The fourth proportional to 2,992.14, 4,129.52 and 1,666.04 is: 2,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.14 : 4,129.52 = 1,666.04 : x
  2. Step 2: Convert to fraction form
    2,992.14/4,129.52 = 1,666.04/x
  3. Step 3: Cross multiply
    2,992.14x = 4,129.52 × 1,666.04
  4. Step 4: Simplify right side
    2,992.14x = 6,879,916.52
  5. Step 5: Solve for x
    x = 6,879,916.52/2,992.14
  6. Step 6: Final answer
    x = 2,299.33

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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.