Home / 5,104.28-7,045.11-3,009.62

Finding the Fourth Proportional to 5,104.28, 7,045.11 and 3,009.62

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Solution

The fourth proportional to 5,104.28, 7,045.11 and 3,009.62 is: 4,153.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.28 : 7,045.11 = 3,009.62 : x
  2. Step 2: Convert to fraction form
    5,104.28/7,045.11 = 3,009.62/x
  3. Step 3: Cross multiply
    5,104.28x = 7,045.11 × 3,009.62
  4. Step 4: Simplify right side
    5,104.28x = 21,203,121.57
  5. Step 5: Solve for x
    x = 21,203,121.57/5,104.28
  6. Step 6: Final answer
    x = 4,153.99

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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.