Home / 7,817.08-11,725.16-2,270.31

Finding the Fourth Proportional to 7,817.08, 11,725.16 and 2,270.31

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Solution

The fourth proportional to 7,817.08, 11,725.16 and 2,270.31 is: 3,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.08 : 11,725.16 = 2,270.31 : x
  2. Step 2: Convert to fraction form
    7,817.08/11,725.16 = 2,270.31/x
  3. Step 3: Cross multiply
    7,817.08x = 11,725.16 × 2,270.31
  4. Step 4: Simplify right side
    7,817.08x = 26,619,678.02
  5. Step 5: Solve for x
    x = 26,619,678.02/7,817.08
  6. Step 6: Final answer
    x = 3,405.32

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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.