Home / 5,192.60-7,788.15-1,682.15

Finding the Fourth Proportional to 5,192.60, 7,788.15 and 1,682.15

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Solution

The fourth proportional to 5,192.60, 7,788.15 and 1,682.15 is: 2,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.60 : 7,788.15 = 1,682.15 : x
  2. Step 2: Convert to fraction form
    5,192.60/7,788.15 = 1,682.15/x
  3. Step 3: Cross multiply
    5,192.60x = 7,788.15 × 1,682.15
  4. Step 4: Simplify right side
    5,192.60x = 13,100,836.52
  5. Step 5: Solve for x
    x = 13,100,836.52/5,192.60
  6. Step 6: Final answer
    x = 2,522.98

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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.