Home / 5,443.92-7,512.64-3,086.24

Finding the Fourth Proportional to 5,443.92, 7,512.64 and 3,086.24

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Solution

The fourth proportional to 5,443.92, 7,512.64 and 3,086.24 is: 4,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.92 : 7,512.64 = 3,086.24 : x
  2. Step 2: Convert to fraction form
    5,443.92/7,512.64 = 3,086.24/x
  3. Step 3: Cross multiply
    5,443.92x = 7,512.64 × 3,086.24
  4. Step 4: Simplify right side
    5,443.92x = 23,185,810.07
  5. Step 5: Solve for x
    x = 23,185,810.07/5,443.92
  6. Step 6: Final answer
    x = 4,259.03

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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.