Home / 4,586.91-6,876.47-1,815.54

Finding the Fourth Proportional to 4,586.91, 6,876.47 and 1,815.54

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Solution

The fourth proportional to 4,586.91, 6,876.47 and 1,815.54 is: 2,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,586.91 : 6,876.47 = 1,815.54 : x
  2. Step 2: Convert to fraction form
    4,586.91/6,876.47 = 1,815.54/x
  3. Step 3: Cross multiply
    4,586.91x = 6,876.47 × 1,815.54
  4. Step 4: Simplify right side
    4,586.91x = 12,484,471.96
  5. Step 5: Solve for x
    x = 12,484,471.96/4,586.91
  6. Step 6: Final answer
    x = 2,721.76

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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.