Home / 6,124.20-8,448.95-3,999.03

Finding the Fourth Proportional to 6,124.20, 8,448.95 and 3,999.03

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Solution

The fourth proportional to 6,124.20, 8,448.95 and 3,999.03 is: 5,517.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.20 : 8,448.95 = 3,999.03 : x
  2. Step 2: Convert to fraction form
    6,124.20/8,448.95 = 3,999.03/x
  3. Step 3: Cross multiply
    6,124.20x = 8,448.95 × 3,999.03
  4. Step 4: Simplify right side
    6,124.20x = 33,787,584.52
  5. Step 5: Solve for x
    x = 33,787,584.52/6,124.20
  6. Step 6: Final answer
    x = 5,517.06

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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.