Home / 3,049.32-4,208.32-1,723.28

Finding the Fourth Proportional to 3,049.32, 4,208.32 and 1,723.28

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Solution

The fourth proportional to 3,049.32, 4,208.32 and 1,723.28 is: 2,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.32 : 4,208.32 = 1,723.28 : x
  2. Step 2: Convert to fraction form
    3,049.32/4,208.32 = 1,723.28/x
  3. Step 3: Cross multiply
    3,049.32x = 4,208.32 × 1,723.28
  4. Step 4: Simplify right side
    3,049.32x = 7,252,113.69
  5. Step 5: Solve for x
    x = 7,252,113.69/3,049.32
  6. Step 6: Final answer
    x = 2,378.27

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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.