Home / 2,908.38-4,013.67-1,666.62

Finding the Fourth Proportional to 2,908.38, 4,013.67 and 1,666.62

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Solution

The fourth proportional to 2,908.38, 4,013.67 and 1,666.62 is: 2,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.38 : 4,013.67 = 1,666.62 : x
  2. Step 2: Convert to fraction form
    2,908.38/4,013.67 = 1,666.62/x
  3. Step 3: Cross multiply
    2,908.38x = 4,013.67 × 1,666.62
  4. Step 4: Simplify right side
    2,908.38x = 6,689,262.70
  5. Step 5: Solve for x
    x = 6,689,262.70/2,908.38
  6. Step 6: Final answer
    x = 2,300.00

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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.