Home / 7,078.52-10,610.46-3,185.66

Finding the Fourth Proportional to 7,078.52, 10,610.46 and 3,185.66

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Solution

The fourth proportional to 7,078.52, 10,610.46 and 3,185.66 is: 4,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.52 : 10,610.46 = 3,185.66 : x
  2. Step 2: Convert to fraction form
    7,078.52/10,610.46 = 3,185.66/x
  3. Step 3: Cross multiply
    7,078.52x = 10,610.46 × 3,185.66
  4. Step 4: Simplify right side
    7,078.52x = 33,801,318.00
  5. Step 5: Solve for x
    x = 33,801,318.00/7,078.52
  6. Step 6: Final answer
    x = 4,775.20

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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.