Home / 2,908.13-4,013.33-1,666.37

Finding the Fourth Proportional to 2,908.13, 4,013.33 and 1,666.37

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Solution

The fourth proportional to 2,908.13, 4,013.33 and 1,666.37 is: 2,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.13 : 4,013.33 = 1,666.37 : x
  2. Step 2: Convert to fraction form
    2,908.13/4,013.33 = 1,666.37/x
  3. Step 3: Cross multiply
    2,908.13x = 4,013.33 × 1,666.37
  4. Step 4: Simplify right side
    2,908.13x = 6,687,684.38
  5. Step 5: Solve for x
    x = 6,687,684.38/2,908.13
  6. Step 6: Final answer
    x = 2,299.65

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1.5x scale

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.