Home / 5,100.84-7,037.39-3,212.58

Finding the Fourth Proportional to 5,100.84, 7,037.39 and 3,212.58

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Solution

The fourth proportional to 5,100.84, 7,037.39 and 3,212.58 is: 4,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.84 : 7,037.39 = 3,212.58 : x
  2. Step 2: Convert to fraction form
    5,100.84/7,037.39 = 3,212.58/x
  3. Step 3: Cross multiply
    5,100.84x = 7,037.39 × 3,212.58
  4. Step 4: Simplify right side
    5,100.84x = 22,608,212.79
  5. Step 5: Solve for x
    x = 22,608,212.79/5,100.84
  6. Step 6: Final answer
    x = 4,432.25

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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.