Home / 5,244.31-7,236.32-3,005.87

Finding the Fourth Proportional to 5,244.31, 7,236.32 and 3,005.87

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Solution

The fourth proportional to 5,244.31, 7,236.32 and 3,005.87 is: 4,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,244.31 : 7,236.32 = 3,005.87 : x
  2. Step 2: Convert to fraction form
    5,244.31/7,236.32 = 3,005.87/x
  3. Step 3: Cross multiply
    5,244.31x = 7,236.32 × 3,005.87
  4. Step 4: Simplify right side
    5,244.31x = 21,751,437.20
  5. Step 5: Solve for x
    x = 21,751,437.20/5,244.31
  6. Step 6: Final answer
    x = 4,147.63

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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.