Home / 3,679.64-5,078.70-2,264.53

Finding the Fourth Proportional to 3,679.64, 5,078.70 and 2,264.53

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Solution

The fourth proportional to 3,679.64, 5,078.70 and 2,264.53 is: 3,125.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.64 : 5,078.70 = 2,264.53 : x
  2. Step 2: Convert to fraction form
    3,679.64/5,078.70 = 2,264.53/x
  3. Step 3: Cross multiply
    3,679.64x = 5,078.70 × 2,264.53
  4. Step 4: Simplify right side
    3,679.64x = 11,500,868.51
  5. Step 5: Solve for x
    x = 11,500,868.51/3,679.64
  6. Step 6: Final answer
    x = 3,125.54

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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.