Home / 4,192.56-6,281.55-2,107.62

Finding the Fourth Proportional to 4,192.56, 6,281.55 and 2,107.62

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Solution

The fourth proportional to 4,192.56, 6,281.55 and 2,107.62 is: 3,157.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,192.56 : 6,281.55 = 2,107.62 : x
  2. Step 2: Convert to fraction form
    4,192.56/6,281.55 = 2,107.62/x
  3. Step 3: Cross multiply
    4,192.56x = 6,281.55 × 2,107.62
  4. Step 4: Simplify right side
    4,192.56x = 13,239,120.41
  5. Step 5: Solve for x
    x = 13,239,120.41/4,192.56
  6. Step 6: Final answer
    x = 3,157.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.