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Finding the Fourth Proportional to 5,890.55, 8,127.20 and 5,329.22

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Solution

The fourth proportional to 5,890.55, 8,127.20 and 5,329.22 is: 7,352.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.55 : 8,127.20 = 5,329.22 : x
  2. Step 2: Convert to fraction form
    5,890.55/8,127.20 = 5,329.22/x
  3. Step 3: Cross multiply
    5,890.55x = 8,127.20 × 5,329.22
  4. Step 4: Simplify right side
    5,890.55x = 43,311,596.15
  5. Step 5: Solve for x
    x = 43,311,596.15/5,890.55
  6. Step 6: Final answer
    x = 7,352.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.