Home / 3,528.56-4,869.45-1,956.69

Finding the Fourth Proportional to 3,528.56, 4,869.45 and 1,956.69

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Solution

The fourth proportional to 3,528.56, 4,869.45 and 1,956.69 is: 2,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.56 : 4,869.45 = 1,956.69 : x
  2. Step 2: Convert to fraction form
    3,528.56/4,869.45 = 1,956.69/x
  3. Step 3: Cross multiply
    3,528.56x = 4,869.45 × 1,956.69
  4. Step 4: Simplify right side
    3,528.56x = 9,528,004.12
  5. Step 5: Solve for x
    x = 9,528,004.12/3,528.56
  6. Step 6: Final answer
    x = 2,700.25

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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.