Home / 3,190.64-4,403.04-1,793.36

Finding the Fourth Proportional to 3,190.64, 4,403.04 and 1,793.36

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Solution

The fourth proportional to 3,190.64, 4,403.04 and 1,793.36 is: 2,474.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.64 : 4,403.04 = 1,793.36 : x
  2. Step 2: Convert to fraction form
    3,190.64/4,403.04 = 1,793.36/x
  3. Step 3: Cross multiply
    3,190.64x = 4,403.04 × 1,793.36
  4. Step 4: Simplify right side
    3,190.64x = 7,896,235.81
  5. Step 5: Solve for x
    x = 7,896,235.81/3,190.64
  6. Step 6: Final answer
    x = 2,474.81

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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.