Home / 6,107.63-8,429.20-3,455.01

Finding the Fourth Proportional to 6,107.63, 8,429.20 and 3,455.01

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Solution

The fourth proportional to 6,107.63, 8,429.20 and 3,455.01 is: 4,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.63 : 8,429.20 = 3,455.01 : x
  2. Step 2: Convert to fraction form
    6,107.63/8,429.20 = 3,455.01/x
  3. Step 3: Cross multiply
    6,107.63x = 8,429.20 × 3,455.01
  4. Step 4: Simplify right side
    6,107.63x = 29,122,961.65
  5. Step 5: Solve for x
    x = 29,122,961.65/6,107.63
  6. Step 6: Final answer
    x = 4,768.30

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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.