Home / 4,679.20-6,448.38-3,350.59

Finding the Fourth Proportional to 4,679.20, 6,448.38 and 3,350.59

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Solution

The fourth proportional to 4,679.20, 6,448.38 and 3,350.59 is: 4,617.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.20 : 6,448.38 = 3,350.59 : x
  2. Step 2: Convert to fraction form
    4,679.20/6,448.38 = 3,350.59/x
  3. Step 3: Cross multiply
    4,679.20x = 6,448.38 × 3,350.59
  4. Step 4: Simplify right side
    4,679.20x = 21,605,877.54
  5. Step 5: Solve for x
    x = 21,605,877.54/4,679.20
  6. Step 6: Final answer
    x = 4,617.43

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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.