Home / 6,251.88-8,627.44-3,419.32

Finding the Fourth Proportional to 6,251.88, 8,627.44 and 3,419.32

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Solution

The fourth proportional to 6,251.88, 8,627.44 and 3,419.32 is: 4,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.88 : 8,627.44 = 3,419.32 : x
  2. Step 2: Convert to fraction form
    6,251.88/8,627.44 = 3,419.32/x
  3. Step 3: Cross multiply
    6,251.88x = 8,627.44 × 3,419.32
  4. Step 4: Simplify right side
    6,251.88x = 29,499,978.14
  5. Step 5: Solve for x
    x = 29,499,978.14/6,251.88
  6. Step 6: Final answer
    x = 4,718.58

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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.