Home / 4,903.20-6,763.90-3,132.96

Finding the Fourth Proportional to 4,903.20, 6,763.90 and 3,132.96

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Solution

The fourth proportional to 4,903.20, 6,763.90 and 3,132.96 is: 4,321.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.20 : 6,763.90 = 3,132.96 : x
  2. Step 2: Convert to fraction form
    4,903.20/6,763.90 = 3,132.96/x
  3. Step 3: Cross multiply
    4,903.20x = 6,763.90 × 3,132.96
  4. Step 4: Simplify right side
    4,903.20x = 21,191,028.14
  5. Step 5: Solve for x
    x = 21,191,028.14/4,903.20
  6. Step 6: Final answer
    x = 4,321.88

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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.