Home / 3,906.81-5,864.33-3,818.65

Finding the Fourth Proportional to 3,906.81, 5,864.33 and 3,818.65

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Solution

The fourth proportional to 3,906.81, 5,864.33 and 3,818.65 is: 5,732.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906.81 : 5,864.33 = 3,818.65 : x
  2. Step 2: Convert to fraction form
    3,906.81/5,864.33 = 3,818.65/x
  3. Step 3: Cross multiply
    3,906.81x = 5,864.33 × 3,818.65
  4. Step 4: Simplify right side
    3,906.81x = 22,393,804.66
  5. Step 5: Solve for x
    x = 22,393,804.66/3,906.81
  6. Step 6: Final answer
    x = 5,732.00

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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.