Home / 5,729.49-8,591.52-2,221.13

Finding the Fourth Proportional to 5,729.49, 8,591.52 and 2,221.13

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Solution

The fourth proportional to 5,729.49, 8,591.52 and 2,221.13 is: 3,330.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,729.49 : 8,591.52 = 2,221.13 : x
  2. Step 2: Convert to fraction form
    5,729.49/8,591.52 = 2,221.13/x
  3. Step 3: Cross multiply
    5,729.49x = 8,591.52 × 2,221.13
  4. Step 4: Simplify right side
    5,729.49x = 19,082,882.82
  5. Step 5: Solve for x
    x = 19,082,882.82/5,729.49
  6. Step 6: Final answer
    x = 3,330.64

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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.