Home / 5,325.78-7,992.27-1,863.06

Finding the Fourth Proportional to 5,325.78, 7,992.27 and 1,863.06

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Solution

The fourth proportional to 5,325.78, 7,992.27 and 1,863.06 is: 2,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.78 : 7,992.27 = 1,863.06 : x
  2. Step 2: Convert to fraction form
    5,325.78/7,992.27 = 1,863.06/x
  3. Step 3: Cross multiply
    5,325.78x = 7,992.27 × 1,863.06
  4. Step 4: Simplify right side
    5,325.78x = 14,890,078.55
  5. Step 5: Solve for x
    x = 14,890,078.55/5,325.78
  6. Step 6: Final answer
    x = 2,795.85

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1.5x scale

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.