Home / 5,355.18-8,033.67-1,658.30

Finding the Fourth Proportional to 5,355.18, 8,033.67 and 1,658.30

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Solution

The fourth proportional to 5,355.18, 8,033.67 and 1,658.30 is: 2,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.18 : 8,033.67 = 1,658.30 : x
  2. Step 2: Convert to fraction form
    5,355.18/8,033.67 = 1,658.30/x
  3. Step 3: Cross multiply
    5,355.18x = 8,033.67 × 1,658.30
  4. Step 4: Simplify right side
    5,355.18x = 13,322,194.79
  5. Step 5: Solve for x
    x = 13,322,194.79/5,355.18
  6. Step 6: Final answer
    x = 2,487.72

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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.