Home / 8,683.92-13,027.86-2,840.58

Finding the Fourth Proportional to 8,683.92, 13,027.86 and 2,840.58

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Solution

The fourth proportional to 8,683.92, 13,027.86 and 2,840.58 is: 4,261.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.92 : 13,027.86 = 2,840.58 : x
  2. Step 2: Convert to fraction form
    8,683.92/13,027.86 = 2,840.58/x
  3. Step 3: Cross multiply
    8,683.92x = 13,027.86 × 2,840.58
  4. Step 4: Simplify right side
    8,683.92x = 37,006,678.56
  5. Step 5: Solve for x
    x = 37,006,678.56/8,683.92
  6. Step 6: Final answer
    x = 4,261.52

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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.