Home / 5,646.12-7,792.92-3,288.84

Finding the Fourth Proportional to 5,646.12, 7,792.92 and 3,288.84

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Solution

The fourth proportional to 5,646.12, 7,792.92 and 3,288.84 is: 4,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.12 : 7,792.92 = 3,288.84 : x
  2. Step 2: Convert to fraction form
    5,646.12/7,792.92 = 3,288.84/x
  3. Step 3: Cross multiply
    5,646.12x = 7,792.92 × 3,288.84
  4. Step 4: Simplify right side
    5,646.12x = 25,629,667.01
  5. Step 5: Solve for x
    x = 25,629,667.01/5,646.12
  6. Step 6: Final answer
    x = 4,539.34

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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.