Home / 6,107.05-8,427.81-3,312.55

Finding the Fourth Proportional to 6,107.05, 8,427.81 and 3,312.55

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Solution

The fourth proportional to 6,107.05, 8,427.81 and 3,312.55 is: 4,571.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.05 : 8,427.81 = 3,312.55 : x
  2. Step 2: Convert to fraction form
    6,107.05/8,427.81 = 3,312.55/x
  3. Step 3: Cross multiply
    6,107.05x = 8,427.81 × 3,312.55
  4. Step 4: Simplify right side
    6,107.05x = 27,917,542.02
  5. Step 5: Solve for x
    x = 27,917,542.02/6,107.05
  6. Step 6: Final answer
    x = 4,571.36

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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.