Home / 3,528.68-5,291.16-1,884.78

Finding the Fourth Proportional to 3,528.68, 5,291.16 and 1,884.78

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Solution

The fourth proportional to 3,528.68, 5,291.16 and 1,884.78 is: 2,826.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.68 : 5,291.16 = 1,884.78 : x
  2. Step 2: Convert to fraction form
    3,528.68/5,291.16 = 1,884.78/x
  3. Step 3: Cross multiply
    3,528.68x = 5,291.16 × 1,884.78
  4. Step 4: Simplify right side
    3,528.68x = 9,972,672.54
  5. Step 5: Solve for x
    x = 9,972,672.54/3,528.68
  6. Step 6: Final answer
    x = 2,826.18

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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.