Home / 3,471.18-5,204.72-1,392.16

Finding the Fourth Proportional to 3,471.18, 5,204.72 and 1,392.16

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Solution

The fourth proportional to 3,471.18, 5,204.72 and 1,392.16 is: 2,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.18 : 5,204.72 = 1,392.16 : x
  2. Step 2: Convert to fraction form
    3,471.18/5,204.72 = 1,392.16/x
  3. Step 3: Cross multiply
    3,471.18x = 5,204.72 × 1,392.16
  4. Step 4: Simplify right side
    3,471.18x = 7,245,811.99
  5. Step 5: Solve for x
    x = 7,245,811.99/3,471.18
  6. Step 6: Final answer
    x = 2,087.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.