Home / 5,329.75-7,354.90-3,091.48

Finding the Fourth Proportional to 5,329.75, 7,354.90 and 3,091.48

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Solution

The fourth proportional to 5,329.75, 7,354.90 and 3,091.48 is: 4,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.75 : 7,354.90 = 3,091.48 : x
  2. Step 2: Convert to fraction form
    5,329.75/7,354.90 = 3,091.48/x
  3. Step 3: Cross multiply
    5,329.75x = 7,354.90 × 3,091.48
  4. Step 4: Simplify right side
    5,329.75x = 22,737,526.25
  5. Step 5: Solve for x
    x = 22,737,526.25/5,329.75
  6. Step 6: Final answer
    x = 4,266.15

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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.