Home / 5,451.52-7,522.56-3,212.58

Finding the Fourth Proportional to 5,451.52, 7,522.56 and 3,212.58

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Solution

The fourth proportional to 5,451.52, 7,522.56 and 3,212.58 is: 4,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.52 : 7,522.56 = 3,212.58 : x
  2. Step 2: Convert to fraction form
    5,451.52/7,522.56 = 3,212.58/x
  3. Step 3: Cross multiply
    5,451.52x = 7,522.56 × 3,212.58
  4. Step 4: Simplify right side
    5,451.52x = 24,166,825.80
  5. Step 5: Solve for x
    x = 24,166,825.80/5,451.52
  6. Step 6: Final answer
    x = 4,433.04

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1.5x scale

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.