Home / 5,131.42-7,080.01-3,141.86

Finding the Fourth Proportional to 5,131.42, 7,080.01 and 3,141.86

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Solution

The fourth proportional to 5,131.42, 7,080.01 and 3,141.86 is: 4,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.42 : 7,080.01 = 3,141.86 : x
  2. Step 2: Convert to fraction form
    5,131.42/7,080.01 = 3,141.86/x
  3. Step 3: Cross multiply
    5,131.42x = 7,080.01 × 3,141.86
  4. Step 4: Simplify right side
    5,131.42x = 22,244,356.96
  5. Step 5: Solve for x
    x = 22,244,356.96/5,131.42
  6. Step 6: Final answer
    x = 4,334.93

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