Home / 5,308.32-7,327.20-3,317.76

Finding the Fourth Proportional to 5,308.32, 7,327.20 and 3,317.76

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Solution

The fourth proportional to 5,308.32, 7,327.20 and 3,317.76 is: 4,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.32 : 7,327.20 = 3,317.76 : x
  2. Step 2: Convert to fraction form
    5,308.32/7,327.20 = 3,317.76/x
  3. Step 3: Cross multiply
    5,308.32x = 7,327.20 × 3,317.76
  4. Step 4: Simplify right side
    5,308.32x = 24,309,891.07
  5. Step 5: Solve for x
    x = 24,309,891.07/5,308.32
  6. Step 6: Final answer
    x = 4,579.58

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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.