Home / 7,311.25-10,091.35-4,326

Finding the Fourth Proportional to 7,311.25, 10,091.35 and 4,326

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Solution

The fourth proportional to 7,311.25, 10,091.35 and 4,326 is: 5,970.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.25 : 10,091.35 = 4,326 : x
  2. Step 2: Convert to fraction form
    7,311.25/10,091.35 = 4,326/x
  3. Step 3: Cross multiply
    7,311.25x = 10,091.35 × 4,326
  4. Step 4: Simplify right side
    7,311.25x = 43,655,180.10
  5. Step 5: Solve for x
    x = 43,655,180.10/7,311.25
  6. Step 6: Final answer
    x = 5,970.96

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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.