Home / 6,748.75-10,123.12-2,068.77

Finding the Fourth Proportional to 6,748.75, 10,123.12 and 2,068.77

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Solution

The fourth proportional to 6,748.75, 10,123.12 and 2,068.77 is: 3,103.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.75 : 10,123.12 = 2,068.77 : x
  2. Step 2: Convert to fraction form
    6,748.75/10,123.12 = 2,068.77/x
  3. Step 3: Cross multiply
    6,748.75x = 10,123.12 × 2,068.77
  4. Step 4: Simplify right side
    6,748.75x = 20,942,406.96
  5. Step 5: Solve for x
    x = 20,942,406.96/6,748.75
  6. Step 6: Final answer
    x = 3,103.16

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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.