Home / 6,107.08-8,427.80-3,312.60

Finding the Fourth Proportional to 6,107.08, 8,427.80 and 3,312.60

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Solution

The fourth proportional to 6,107.08, 8,427.80 and 3,312.60 is: 4,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.08 : 8,427.80 = 3,312.60 : x
  2. Step 2: Convert to fraction form
    6,107.08/8,427.80 = 3,312.60/x
  3. Step 3: Cross multiply
    6,107.08x = 8,427.80 × 3,312.60
  4. Step 4: Simplify right side
    6,107.08x = 27,917,930.28
  5. Step 5: Solve for x
    x = 27,917,930.28/6,107.08
  6. Step 6: Final answer
    x = 4,571.40

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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.