Home / 5,740.55-7,923.05-3,747.65

Finding the Fourth Proportional to 5,740.55, 7,923.05 and 3,747.65

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Solution

The fourth proportional to 5,740.55, 7,923.05 and 3,747.65 is: 5,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.55 : 7,923.05 = 3,747.65 : x
  2. Step 2: Convert to fraction form
    5,740.55/7,923.05 = 3,747.65/x
  3. Step 3: Cross multiply
    5,740.55x = 7,923.05 × 3,747.65
  4. Step 4: Simplify right side
    5,740.55x = 29,692,774.03
  5. Step 5: Solve for x
    x = 29,692,774.03/5,740.55
  6. Step 6: Final answer
    x = 5,172.46

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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.