Home / 2,969.24-4,090.42-2,497.15

Finding the Fourth Proportional to 2,969.24, 4,090.42 and 2,497.15

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Solution

The fourth proportional to 2,969.24, 4,090.42 and 2,497.15 is: 3,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.24 : 4,090.42 = 2,497.15 : x
  2. Step 2: Convert to fraction form
    2,969.24/4,090.42 = 2,497.15/x
  3. Step 3: Cross multiply
    2,969.24x = 4,090.42 × 2,497.15
  4. Step 4: Simplify right side
    2,969.24x = 10,214,363.48
  5. Step 5: Solve for x
    x = 10,214,363.48/2,969.24
  6. Step 6: Final answer
    x = 3,440.06

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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.