Home / 5,244.52-7,236.87-2,886.21

Finding the Fourth Proportional to 5,244.52, 7,236.87 and 2,886.21

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Solution

The fourth proportional to 5,244.52, 7,236.87 and 2,886.21 is: 3,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.52 : 7,236.87 = 2,886.21 : x
  2. Step 2: Convert to fraction form
    5,244.52/7,236.87 = 2,886.21/x
  3. Step 3: Cross multiply
    5,244.52x = 7,236.87 × 2,886.21
  4. Step 4: Simplify right side
    5,244.52x = 20,887,126.56
  5. Step 5: Solve for x
    x = 20,887,126.56/5,244.52
  6. Step 6: Final answer
    x = 3,982.66

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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.