Home / 6,922.85-10,390.16-2,765.77

Finding the Fourth Proportional to 6,922.85, 10,390.16 and 2,765.77

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Solution

The fourth proportional to 6,922.85, 10,390.16 and 2,765.77 is: 4,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,922.85 : 10,390.16 = 2,765.77 : x
  2. Step 2: Convert to fraction form
    6,922.85/10,390.16 = 2,765.77/x
  3. Step 3: Cross multiply
    6,922.85x = 10,390.16 × 2,765.77
  4. Step 4: Simplify right side
    6,922.85x = 28,736,773.76
  5. Step 5: Solve for x
    x = 28,736,773.76/6,922.85
  6. Step 6: Final answer
    x = 4,151.01

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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.