Home / 4,876.45-7,314.60-1,178.66

Finding the Fourth Proportional to 4,876.45, 7,314.60 and 1,178.66

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Solution

The fourth proportional to 4,876.45, 7,314.60 and 1,178.66 is: 1,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.45 : 7,314.60 = 1,178.66 : x
  2. Step 2: Convert to fraction form
    4,876.45/7,314.60 = 1,178.66/x
  3. Step 3: Cross multiply
    4,876.45x = 7,314.60 × 1,178.66
  4. Step 4: Simplify right side
    4,876.45x = 8,621,426.44
  5. Step 5: Solve for x
    x = 8,621,426.44/4,876.45
  6. Step 6: Final answer
    x = 1,767.97

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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.