Home / 5,453.05-8,179.40-2,292.17

Finding the Fourth Proportional to 5,453.05, 8,179.40 and 2,292.17

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Solution

The fourth proportional to 5,453.05, 8,179.40 and 2,292.17 is: 3,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.05 : 8,179.40 = 2,292.17 : x
  2. Step 2: Convert to fraction form
    5,453.05/8,179.40 = 2,292.17/x
  3. Step 3: Cross multiply
    5,453.05x = 8,179.40 × 2,292.17
  4. Step 4: Simplify right side
    5,453.05x = 18,748,527.24
  5. Step 5: Solve for x
    x = 18,748,527.24/5,453.05
  6. Step 6: Final answer
    x = 3,438.17

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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.