Home / 5,639.92-8,462.66-4,261.68

Finding the Fourth Proportional to 5,639.92, 8,462.66 and 4,261.68

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Solution

The fourth proportional to 5,639.92, 8,462.66 and 4,261.68 is: 6,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.92 : 8,462.66 = 4,261.68 : x
  2. Step 2: Convert to fraction form
    5,639.92/8,462.66 = 4,261.68/x
  3. Step 3: Cross multiply
    5,639.92x = 8,462.66 × 4,261.68
  4. Step 4: Simplify right side
    5,639.92x = 36,065,148.87
  5. Step 5: Solve for x
    x = 36,065,148.87/5,639.92
  6. Step 6: Final answer
    x = 6,394.62

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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.