Home / 5,327.48-7,992.11-1,628.84

Finding the Fourth Proportional to 5,327.48, 7,992.11 and 1,628.84

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Solution

The fourth proportional to 5,327.48, 7,992.11 and 1,628.84 is: 2,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.48 : 7,992.11 = 1,628.84 : x
  2. Step 2: Convert to fraction form
    5,327.48/7,992.11 = 1,628.84/x
  3. Step 3: Cross multiply
    5,327.48x = 7,992.11 × 1,628.84
  4. Step 4: Simplify right side
    5,327.48x = 13,017,894.54
  5. Step 5: Solve for x
    x = 13,017,894.54/5,327.48
  6. Step 6: Final answer
    x = 2,443.54

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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.