Home / 3,929.96-5,894.85-1,156.56

Finding the Fourth Proportional to 3,929.96, 5,894.85 and 1,156.56

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Solution

The fourth proportional to 3,929.96, 5,894.85 and 1,156.56 is: 1,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.96 : 5,894.85 = 1,156.56 : x
  2. Step 2: Convert to fraction form
    3,929.96/5,894.85 = 1,156.56/x
  3. Step 3: Cross multiply
    3,929.96x = 5,894.85 × 1,156.56
  4. Step 4: Simplify right side
    3,929.96x = 6,817,747.72
  5. Step 5: Solve for x
    x = 6,817,747.72/3,929.96
  6. Step 6: Final answer
    x = 1,734.82

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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.