Home / 6,107.08-8,427.84-3,312.64

Finding the Fourth Proportional to 6,107.08, 8,427.84 and 3,312.64

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Solution

The fourth proportional to 6,107.08, 8,427.84 and 3,312.64 is: 4,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.08 : 8,427.84 = 3,312.64 : x
  2. Step 2: Convert to fraction form
    6,107.08/8,427.84 = 3,312.64/x
  3. Step 3: Cross multiply
    6,107.08x = 8,427.84 × 3,312.64
  4. Step 4: Simplify right side
    6,107.08x = 27,918,399.90
  5. Step 5: Solve for x
    x = 27,918,399.90/6,107.08
  6. Step 6: Final answer
    x = 4,571.48

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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.