Home / 5,446.29-7,515.87-3,321.81

Finding the Fourth Proportional to 5,446.29, 7,515.87 and 3,321.81

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Solution

The fourth proportional to 5,446.29, 7,515.87 and 3,321.81 is: 4,584.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.29 : 7,515.87 = 3,321.81 : x
  2. Step 2: Convert to fraction form
    5,446.29/7,515.87 = 3,321.81/x
  3. Step 3: Cross multiply
    5,446.29x = 7,515.87 × 3,321.81
  4. Step 4: Simplify right side
    5,446.29x = 24,966,292.12
  5. Step 5: Solve for x
    x = 24,966,292.12/5,446.29
  6. Step 6: Final answer
    x = 4,584.09

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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.