Home / 5,585.49-8,369.73-3,729.78

Finding the Fourth Proportional to 5,585.49, 8,369.73 and 3,729.78

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Solution

The fourth proportional to 5,585.49, 8,369.73 and 3,729.78 is: 5,588.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.49 : 8,369.73 = 3,729.78 : x
  2. Step 2: Convert to fraction form
    5,585.49/8,369.73 = 3,729.78/x
  3. Step 3: Cross multiply
    5,585.49x = 8,369.73 × 3,729.78
  4. Step 4: Simplify right side
    5,585.49x = 31,217,251.56
  5. Step 5: Solve for x
    x = 31,217,251.56/5,585.49
  6. Step 6: Final answer
    x = 5,588.99

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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.