Home / 3,342.89-5,011.61-1,396.55

Finding the Fourth Proportional to 3,342.89, 5,011.61 and 1,396.55

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Solution

The fourth proportional to 3,342.89, 5,011.61 and 1,396.55 is: 2,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.89 : 5,011.61 = 1,396.55 : x
  2. Step 2: Convert to fraction form
    3,342.89/5,011.61 = 1,396.55/x
  3. Step 3: Cross multiply
    3,342.89x = 5,011.61 × 1,396.55
  4. Step 4: Simplify right side
    3,342.89x = 6,998,931.90
  5. Step 5: Solve for x
    x = 6,998,931.90/3,342.89
  6. Step 6: Final answer
    x = 2,093.68

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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.