Home / 5,530.80-8,302.20-4,918.44

Finding the Fourth Proportional to 5,530.80, 8,302.20 and 4,918.44

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Solution

The fourth proportional to 5,530.80, 8,302.20 and 4,918.44 is: 7,383.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.80 : 8,302.20 = 4,918.44 : x
  2. Step 2: Convert to fraction form
    5,530.80/8,302.20 = 4,918.44/x
  3. Step 3: Cross multiply
    5,530.80x = 8,302.20 × 4,918.44
  4. Step 4: Simplify right side
    5,530.80x = 40,833,872.57
  5. Step 5: Solve for x
    x = 40,833,872.57/5,530.80
  6. Step 6: Final answer
    x = 7,383.00

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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.