Home / 4,876.55-7,310.70-1,956.90

Finding the Fourth Proportional to 4,876.55, 7,310.70 and 1,956.90

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Solution

The fourth proportional to 4,876.55, 7,310.70 and 1,956.90 is: 2,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.55 : 7,310.70 = 1,956.90 : x
  2. Step 2: Convert to fraction form
    4,876.55/7,310.70 = 1,956.90/x
  3. Step 3: Cross multiply
    4,876.55x = 7,310.70 × 1,956.90
  4. Step 4: Simplify right side
    4,876.55x = 14,306,308.83
  5. Step 5: Solve for x
    x = 14,306,308.83/4,876.55
  6. Step 6: Final answer
    x = 2,933.70

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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.