Home / 5,150.94-7,108.47-3,289.02

Finding the Fourth Proportional to 5,150.94, 7,108.47 and 3,289.02

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Solution

The fourth proportional to 5,150.94, 7,108.47 and 3,289.02 is: 4,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,150.94 : 7,108.47 = 3,289.02 : x
  2. Step 2: Convert to fraction form
    5,150.94/7,108.47 = 3,289.02/x
  3. Step 3: Cross multiply
    5,150.94x = 7,108.47 × 3,289.02
  4. Step 4: Simplify right side
    5,150.94x = 23,379,900.00
  5. Step 5: Solve for x
    x = 23,379,900.00/5,150.94
  6. Step 6: Final answer
    x = 4,538.96

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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.