Home / 5,455.94-7,529.42-3,098.30

Finding the Fourth Proportional to 5,455.94, 7,529.42 and 3,098.30

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Solution

The fourth proportional to 5,455.94, 7,529.42 and 3,098.30 is: 4,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,455.94 : 7,529.42 = 3,098.30 : x
  2. Step 2: Convert to fraction form
    5,455.94/7,529.42 = 3,098.30/x
  3. Step 3: Cross multiply
    5,455.94x = 7,529.42 × 3,098.30
  4. Step 4: Simplify right side
    5,455.94x = 23,328,401.99
  5. Step 5: Solve for x
    x = 23,328,401.99/5,455.94
  6. Step 6: Final answer
    x = 4,275.78

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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.