Home / 7,090.27-10,636.38-2,409.02

Finding the Fourth Proportional to 7,090.27, 10,636.38 and 2,409.02

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Solution

The fourth proportional to 7,090.27, 10,636.38 and 2,409.02 is: 3,613.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.27 : 10,636.38 = 2,409.02 : x
  2. Step 2: Convert to fraction form
    7,090.27/10,636.38 = 2,409.02/x
  3. Step 3: Cross multiply
    7,090.27x = 10,636.38 × 2,409.02
  4. Step 4: Simplify right side
    7,090.27x = 25,623,252.15
  5. Step 5: Solve for x
    x = 25,623,252.15/7,090.27
  6. Step 6: Final answer
    x = 3,613.86

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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.