Home / 5,226.52-7,212.12-2,988.33

Finding the Fourth Proportional to 5,226.52, 7,212.12 and 2,988.33

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Solution

The fourth proportional to 5,226.52, 7,212.12 and 2,988.33 is: 4,123.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.52 : 7,212.12 = 2,988.33 : x
  2. Step 2: Convert to fraction form
    5,226.52/7,212.12 = 2,988.33/x
  3. Step 3: Cross multiply
    5,226.52x = 7,212.12 × 2,988.33
  4. Step 4: Simplify right side
    5,226.52x = 21,552,194.56
  5. Step 5: Solve for x
    x = 21,552,194.56/5,226.52
  6. Step 6: Final answer
    x = 4,123.62

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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.