Home / 5,269.88-7,272.50-2,912.24

Finding the Fourth Proportional to 5,269.88, 7,272.50 and 2,912.24

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Solution

The fourth proportional to 5,269.88, 7,272.50 and 2,912.24 is: 4,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.88 : 7,272.50 = 2,912.24 : x
  2. Step 2: Convert to fraction form
    5,269.88/7,272.50 = 2,912.24/x
  3. Step 3: Cross multiply
    5,269.88x = 7,272.50 × 2,912.24
  4. Step 4: Simplify right side
    5,269.88x = 21,179,214.48
  5. Step 5: Solve for x
    x = 21,179,214.48/5,269.88
  6. Step 6: Final answer
    x = 4,018.92

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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.