Home / 5,180.83-7,752.11-3,102.30

Finding the Fourth Proportional to 5,180.83, 7,752.11 and 3,102.30

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Solution

The fourth proportional to 5,180.83, 7,752.11 and 3,102.30 is: 4,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.83 : 7,752.11 = 3,102.30 : x
  2. Step 2: Convert to fraction form
    5,180.83/7,752.11 = 3,102.30/x
  3. Step 3: Cross multiply
    5,180.83x = 7,752.11 × 3,102.30
  4. Step 4: Simplify right side
    5,180.83x = 24,049,355.34
  5. Step 5: Solve for x
    x = 24,049,355.34/5,180.83
  6. Step 6: Final answer
    x = 4,641.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.