Home / 5,168.03-7,134.36-3,180.29

Finding the Fourth Proportional to 5,168.03, 7,134.36 and 3,180.29

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Solution

The fourth proportional to 5,168.03, 7,134.36 and 3,180.29 is: 4,390.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.03 : 7,134.36 = 3,180.29 : x
  2. Step 2: Convert to fraction form
    5,168.03/7,134.36 = 3,180.29/x
  3. Step 3: Cross multiply
    5,168.03x = 7,134.36 × 3,180.29
  4. Step 4: Simplify right side
    5,168.03x = 22,689,333.76
  5. Step 5: Solve for x
    x = 22,689,333.76/5,168.03
  6. Step 6: Final answer
    x = 4,390.33

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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.