Home / 5,422.64-7,486.82-3,512.06

Finding the Fourth Proportional to 5,422.64, 7,486.82 and 3,512.06

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Solution

The fourth proportional to 5,422.64, 7,486.82 and 3,512.06 is: 4,848.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.64 : 7,486.82 = 3,512.06 : x
  2. Step 2: Convert to fraction form
    5,422.64/7,486.82 = 3,512.06/x
  3. Step 3: Cross multiply
    5,422.64x = 7,486.82 × 3,512.06
  4. Step 4: Simplify right side
    5,422.64x = 26,294,161.05
  5. Step 5: Solve for x
    x = 26,294,161.05/5,422.64
  6. Step 6: Final answer
    x = 4,848.96

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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.