Home / 5,877.72-8,815.23-1,716.75

Finding the Fourth Proportional to 5,877.72, 8,815.23 and 1,716.75

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Solution

The fourth proportional to 5,877.72, 8,815.23 and 1,716.75 is: 2,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877.72 : 8,815.23 = 1,716.75 : x
  2. Step 2: Convert to fraction form
    5,877.72/8,815.23 = 1,716.75/x
  3. Step 3: Cross multiply
    5,877.72x = 8,815.23 × 1,716.75
  4. Step 4: Simplify right side
    5,877.72x = 15,133,546.10
  5. Step 5: Solve for x
    x = 15,133,546.10/5,877.72
  6. Step 6: Final answer
    x = 2,574.73

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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.