Home / 6,107.30-8,427.75-3,455.18

Finding the Fourth Proportional to 6,107.30, 8,427.75 and 3,455.18

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Solution

The fourth proportional to 6,107.30, 8,427.75 and 3,455.18 is: 4,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.30 : 8,427.75 = 3,455.18 : x
  2. Step 2: Convert to fraction form
    6,107.30/8,427.75 = 3,455.18/x
  3. Step 3: Cross multiply
    6,107.30x = 8,427.75 × 3,455.18
  4. Step 4: Simplify right side
    6,107.30x = 29,119,393.25
  5. Step 5: Solve for x
    x = 29,119,393.25/6,107.30
  6. Step 6: Final answer
    x = 4,767.97

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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.