Home / 5,372.76-8,055.72-3,182.16

Finding the Fourth Proportional to 5,372.76, 8,055.72 and 3,182.16

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Solution

The fourth proportional to 5,372.76, 8,055.72 and 3,182.16 is: 4,771.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.76 : 8,055.72 = 3,182.16 : x
  2. Step 2: Convert to fraction form
    5,372.76/8,055.72 = 3,182.16/x
  3. Step 3: Cross multiply
    5,372.76x = 8,055.72 × 3,182.16
  4. Step 4: Simplify right side
    5,372.76x = 25,634,589.96
  5. Step 5: Solve for x
    x = 25,634,589.96/5,372.76
  6. Step 6: Final answer
    x = 4,771.21

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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.