Home / 2,301.12-3,174.39-1,415.52

Finding the Fourth Proportional to 2,301.12, 3,174.39 and 1,415.52

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Solution

The fourth proportional to 2,301.12, 3,174.39 and 1,415.52 is: 1,952.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,301.12 : 3,174.39 = 1,415.52 : x
  2. Step 2: Convert to fraction form
    2,301.12/3,174.39 = 1,415.52/x
  3. Step 3: Cross multiply
    2,301.12x = 3,174.39 × 1,415.52
  4. Step 4: Simplify right side
    2,301.12x = 4,493,412.53
  5. Step 5: Solve for x
    x = 4,493,412.53/2,301.12
  6. Step 6: Final answer
    x = 1,952.71

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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.