Home / 3,417.08-5,121.64-1,568.39

Finding the Fourth Proportional to 3,417.08, 5,121.64 and 1,568.39

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Solution

The fourth proportional to 3,417.08, 5,121.64 and 1,568.39 is: 2,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.08 : 5,121.64 = 1,568.39 : x
  2. Step 2: Convert to fraction form
    3,417.08/5,121.64 = 1,568.39/x
  3. Step 3: Cross multiply
    3,417.08x = 5,121.64 × 1,568.39
  4. Step 4: Simplify right side
    3,417.08x = 8,032,721.12
  5. Step 5: Solve for x
    x = 8,032,721.12/3,417.08
  6. Step 6: Final answer
    x = 2,350.76

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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.