Home / 5,269.82-7,273.19-3,145.46

Finding the Fourth Proportional to 5,269.82, 7,273.19 and 3,145.46

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Solution

The fourth proportional to 5,269.82, 7,273.19 and 3,145.46 is: 4,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.82 : 7,273.19 = 3,145.46 : x
  2. Step 2: Convert to fraction form
    5,269.82/7,273.19 = 3,145.46/x
  3. Step 3: Cross multiply
    5,269.82x = 7,273.19 × 3,145.46
  4. Step 4: Simplify right side
    5,269.82x = 22,877,499.72
  5. Step 5: Solve for x
    x = 22,877,499.72/5,269.82
  6. Step 6: Final answer
    x = 4,341.23

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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.