Home / 3,774.28-5,208.16-2,282.52

Finding the Fourth Proportional to 3,774.28, 5,208.16 and 2,282.52

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Solution

The fourth proportional to 3,774.28, 5,208.16 and 2,282.52 is: 3,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774.28 : 5,208.16 = 2,282.52 : x
  2. Step 2: Convert to fraction form
    3,774.28/5,208.16 = 2,282.52/x
  3. Step 3: Cross multiply
    3,774.28x = 5,208.16 × 2,282.52
  4. Step 4: Simplify right side
    3,774.28x = 11,887,729.36
  5. Step 5: Solve for x
    x = 11,887,729.36/3,774.28
  6. Step 6: Final answer
    x = 3,149.67

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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.