Home / 3,471.85-5,203.52-2,153.58

Finding the Fourth Proportional to 3,471.85, 5,203.52 and 2,153.58

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Solution

The fourth proportional to 3,471.85, 5,203.52 and 2,153.58 is: 3,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.85 : 5,203.52 = 2,153.58 : x
  2. Step 2: Convert to fraction form
    3,471.85/5,203.52 = 2,153.58/x
  3. Step 3: Cross multiply
    3,471.85x = 5,203.52 × 2,153.58
  4. Step 4: Simplify right side
    3,471.85x = 11,206,196.60
  5. Step 5: Solve for x
    x = 11,206,196.60/3,471.85
  6. Step 6: Final answer
    x = 3,227.73

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1.5x scale

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.