Home / 1,651.14-2,476.92-677.16

Finding the Fourth Proportional to 1,651.14, 2,476.92 and 677.16

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Solution

The fourth proportional to 1,651.14, 2,476.92 and 677.16 is: 1,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.14 : 2,476.92 = 677.16 : x
  2. Step 2: Convert to fraction form
    1,651.14/2,476.92 = 677.16/x
  3. Step 3: Cross multiply
    1,651.14x = 2,476.92 × 677.16
  4. Step 4: Simplify right side
    1,651.14x = 1,677,271.15
  5. Step 5: Solve for x
    x = 1,677,271.15/1,651.14
  6. Step 6: Final answer
    x = 1,015.83

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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.