Home / 6,451.80-8,904.31-3,799.46

Finding the Fourth Proportional to 6,451.80, 8,904.31 and 3,799.46

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Solution

The fourth proportional to 6,451.80, 8,904.31 and 3,799.46 is: 5,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.80 : 8,904.31 = 3,799.46 : x
  2. Step 2: Convert to fraction form
    6,451.80/8,904.31 = 3,799.46/x
  3. Step 3: Cross multiply
    6,451.80x = 8,904.31 × 3,799.46
  4. Step 4: Simplify right side
    6,451.80x = 33,831,525.15
  5. Step 5: Solve for x
    x = 33,831,525.15/6,451.80
  6. Step 6: Final answer
    x = 5,243.73

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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.