Home / 5,895.25-8,138.81-3,908.50

Finding the Fourth Proportional to 5,895.25, 8,138.81 and 3,908.50

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Solution

The fourth proportional to 5,895.25, 8,138.81 and 3,908.50 is: 5,395.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,895.25 : 8,138.81 = 3,908.50 : x
  2. Step 2: Convert to fraction form
    5,895.25/8,138.81 = 3,908.50/x
  3. Step 3: Cross multiply
    5,895.25x = 8,138.81 × 3,908.50
  4. Step 4: Simplify right side
    5,895.25x = 31,810,574.09
  5. Step 5: Solve for x
    x = 31,810,574.09/5,895.25
  6. Step 6: Final answer
    x = 5,395.97

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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.