Home / 5,109.58-7,633.29-3,245.76

Finding the Fourth Proportional to 5,109.58, 7,633.29 and 3,245.76

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Solution

The fourth proportional to 5,109.58, 7,633.29 and 3,245.76 is: 4,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.58 : 7,633.29 = 3,245.76 : x
  2. Step 2: Convert to fraction form
    5,109.58/7,633.29 = 3,245.76/x
  3. Step 3: Cross multiply
    5,109.58x = 7,633.29 × 3,245.76
  4. Step 4: Simplify right side
    5,109.58x = 24,775,827.35
  5. Step 5: Solve for x
    x = 24,775,827.35/5,109.58
  6. Step 6: Final answer
    x = 4,848.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.