Home / 3,569.68-5,360.64-2,191.11

Finding the Fourth Proportional to 3,569.68, 5,360.64 and 2,191.11

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Solution

The fourth proportional to 3,569.68, 5,360.64 and 2,191.11 is: 3,290.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.68 : 5,360.64 = 2,191.11 : x
  2. Step 2: Convert to fraction form
    3,569.68/5,360.64 = 2,191.11/x
  3. Step 3: Cross multiply
    3,569.68x = 5,360.64 × 2,191.11
  4. Step 4: Simplify right side
    3,569.68x = 11,745,735.92
  5. Step 5: Solve for x
    x = 11,745,735.92/3,569.68
  6. Step 6: Final answer
    x = 3,290.42

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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.