Home / 4,703.82-6,489.81-3,132.18

Finding the Fourth Proportional to 4,703.82, 6,489.81 and 3,132.18

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Solution

The fourth proportional to 4,703.82, 6,489.81 and 3,132.18 is: 4,321.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.82 : 6,489.81 = 3,132.18 : x
  2. Step 2: Convert to fraction form
    4,703.82/6,489.81 = 3,132.18/x
  3. Step 3: Cross multiply
    4,703.82x = 6,489.81 × 3,132.18
  4. Step 4: Simplify right side
    4,703.82x = 20,327,253.09
  5. Step 5: Solve for x
    x = 20,327,253.09/4,703.82
  6. Step 6: Final answer
    x = 4,321.44

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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.