Home / 3,472.74-5,205.44-2,156.48

Finding the Fourth Proportional to 3,472.74, 5,205.44 and 2,156.48

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Solution

The fourth proportional to 3,472.74, 5,205.44 and 2,156.48 is: 3,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.74 : 5,205.44 = 2,156.48 : x
  2. Step 2: Convert to fraction form
    3,472.74/5,205.44 = 2,156.48/x
  3. Step 3: Cross multiply
    3,472.74x = 5,205.44 × 2,156.48
  4. Step 4: Simplify right side
    3,472.74x = 11,225,427.25
  5. Step 5: Solve for x
    x = 11,225,427.25/3,472.74
  6. Step 6: Final answer
    x = 3,232.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.