Home / 9,315.08-13,975.31-2,741.27

Finding the Fourth Proportional to 9,315.08, 13,975.31 and 2,741.27

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Solution

The fourth proportional to 9,315.08, 13,975.31 and 2,741.27 is: 4,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,315.08 : 13,975.31 = 2,741.27 : x
  2. Step 2: Convert to fraction form
    9,315.08/13,975.31 = 2,741.27/x
  3. Step 3: Cross multiply
    9,315.08x = 13,975.31 × 2,741.27
  4. Step 4: Simplify right side
    9,315.08x = 38,310,066.62
  5. Step 5: Solve for x
    x = 38,310,066.62/9,315.08
  6. Step 6: Final answer
    x = 4,112.70

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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.