Home / 5,247.96-7,874.40-2,325.90

Finding the Fourth Proportional to 5,247.96, 7,874.40 and 2,325.90

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Solution

The fourth proportional to 5,247.96, 7,874.40 and 2,325.90 is: 3,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.96 : 7,874.40 = 2,325.90 : x
  2. Step 2: Convert to fraction form
    5,247.96/7,874.40 = 2,325.90/x
  3. Step 3: Cross multiply
    5,247.96x = 7,874.40 × 2,325.90
  4. Step 4: Simplify right side
    5,247.96x = 18,315,066.96
  5. Step 5: Solve for x
    x = 18,315,066.96/5,247.96
  6. Step 6: Final answer
    x = 3,489.94

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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.