Home / 3,949.34-5,923.83-1,316.66

Finding the Fourth Proportional to 3,949.34, 5,923.83 and 1,316.66

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Solution

The fourth proportional to 3,949.34, 5,923.83 and 1,316.66 is: 1,974.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.34 : 5,923.83 = 1,316.66 : x
  2. Step 2: Convert to fraction form
    3,949.34/5,923.83 = 1,316.66/x
  3. Step 3: Cross multiply
    3,949.34x = 5,923.83 × 1,316.66
  4. Step 4: Simplify right side
    3,949.34x = 7,799,670.01
  5. Step 5: Solve for x
    x = 7,799,670.01/3,949.34
  6. Step 6: Final answer
    x = 1,974.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.