Home / 2,634.11-3,635.43-1,515.02

Finding the Fourth Proportional to 2,634.11, 3,635.43 and 1,515.02

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Solution

The fourth proportional to 2,634.11, 3,635.43 and 1,515.02 is: 2,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.11 : 3,635.43 = 1,515.02 : x
  2. Step 2: Convert to fraction form
    2,634.11/3,635.43 = 1,515.02/x
  3. Step 3: Cross multiply
    2,634.11x = 3,635.43 × 1,515.02
  4. Step 4: Simplify right side
    2,634.11x = 5,507,758.25
  5. Step 5: Solve for x
    x = 5,507,758.25/2,634.11
  6. Step 6: Final answer
    x = 2,090.94

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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.