Home / 6,276.45-8,661.48-3,481.95

Finding the Fourth Proportional to 6,276.45, 8,661.48 and 3,481.95

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Solution

The fourth proportional to 6,276.45, 8,661.48 and 3,481.95 is: 4,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,276.45 : 8,661.48 = 3,481.95 : x
  2. Step 2: Convert to fraction form
    6,276.45/8,661.48 = 3,481.95/x
  3. Step 3: Cross multiply
    6,276.45x = 8,661.48 × 3,481.95
  4. Step 4: Simplify right side
    6,276.45x = 30,158,840.29
  5. Step 5: Solve for x
    x = 30,158,840.29/6,276.45
  6. Step 6: Final answer
    x = 4,805.08

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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.