Home / 5,858.30-8,084.34-3,205.68

Finding the Fourth Proportional to 5,858.30, 8,084.34 and 3,205.68

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Solution

The fourth proportional to 5,858.30, 8,084.34 and 3,205.68 is: 4,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,858.30 : 8,084.34 = 3,205.68 : x
  2. Step 2: Convert to fraction form
    5,858.30/8,084.34 = 3,205.68/x
  3. Step 3: Cross multiply
    5,858.30x = 8,084.34 × 3,205.68
  4. Step 4: Simplify right side
    5,858.30x = 25,915,807.05
  5. Step 5: Solve for x
    x = 25,915,807.05/5,858.30
  6. Step 6: Final answer
    x = 4,423.78

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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.