Home / 5,160.76-7,119.24-3,269.17

Finding the Fourth Proportional to 5,160.76, 7,119.24 and 3,269.17

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Solution

The fourth proportional to 5,160.76, 7,119.24 and 3,269.17 is: 4,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.76 : 7,119.24 = 3,269.17 : x
  2. Step 2: Convert to fraction form
    5,160.76/7,119.24 = 3,269.17/x
  3. Step 3: Cross multiply
    5,160.76x = 7,119.24 × 3,269.17
  4. Step 4: Simplify right side
    5,160.76x = 23,274,005.83
  5. Step 5: Solve for x
    x = 23,274,005.83/5,160.76
  6. Step 6: Final answer
    x = 4,509.80

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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.