Home / 1,956.28-2,698.48-1,693.84

Finding the Fourth Proportional to 1,956.28, 2,698.48 and 1,693.84

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Solution

The fourth proportional to 1,956.28, 2,698.48 and 1,693.84 is: 2,336.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956.28 : 2,698.48 = 1,693.84 : x
  2. Step 2: Convert to fraction form
    1,956.28/2,698.48 = 1,693.84/x
  3. Step 3: Cross multiply
    1,956.28x = 2,698.48 × 1,693.84
  4. Step 4: Simplify right side
    1,956.28x = 4,570,793.36
  5. Step 5: Solve for x
    x = 4,570,793.36/1,956.28
  6. Step 6: Final answer
    x = 2,336.47

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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.