Home / 5,912.50-8,159.25-3,678.58

Finding the Fourth Proportional to 5,912.50, 8,159.25 and 3,678.58

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Solution

The fourth proportional to 5,912.50, 8,159.25 and 3,678.58 is: 5,076.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.50 : 8,159.25 = 3,678.58 : x
  2. Step 2: Convert to fraction form
    5,912.50/8,159.25 = 3,678.58/x
  3. Step 3: Cross multiply
    5,912.50x = 8,159.25 × 3,678.58
  4. Step 4: Simplify right side
    5,912.50x = 30,014,453.87
  5. Step 5: Solve for x
    x = 30,014,453.87/5,912.50
  6. Step 6: Final answer
    x = 5,076.44

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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.