Home / 3,528.56-4,869-1,956.56

Finding the Fourth Proportional to 3,528.56, 4,869 and 1,956.56

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Solution

The fourth proportional to 3,528.56, 4,869 and 1,956.56 is: 2,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.56 : 4,869 = 1,956.56 : x
  2. Step 2: Convert to fraction form
    3,528.56/4,869 = 1,956.56/x
  3. Step 3: Cross multiply
    3,528.56x = 4,869 × 1,956.56
  4. Step 4: Simplify right side
    3,528.56x = 9,526,490.64
  5. Step 5: Solve for x
    x = 9,526,490.64/3,528.56
  6. Step 6: Final answer
    x = 2,699.82

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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.