Home / 5,220.48-7,825.44-1,932.96

Finding the Fourth Proportional to 5,220.48, 7,825.44 and 1,932.96

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Solution

The fourth proportional to 5,220.48, 7,825.44 and 1,932.96 is: 2,897.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.48 : 7,825.44 = 1,932.96 : x
  2. Step 2: Convert to fraction form
    5,220.48/7,825.44 = 1,932.96/x
  3. Step 3: Cross multiply
    5,220.48x = 7,825.44 × 1,932.96
  4. Step 4: Simplify right side
    5,220.48x = 15,126,262.50
  5. Step 5: Solve for x
    x = 15,126,262.50/5,220.48
  6. Step 6: Final answer
    x = 2,897.49

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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.