Home / 5,226.60-7,215-3,340.66

Finding the Fourth Proportional to 5,226.60, 7,215 and 3,340.66

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Solution

The fourth proportional to 5,226.60, 7,215 and 3,340.66 is: 4,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.60 : 7,215 = 3,340.66 : x
  2. Step 2: Convert to fraction form
    5,226.60/7,215 = 3,340.66/x
  3. Step 3: Cross multiply
    5,226.60x = 7,215 × 3,340.66
  4. Step 4: Simplify right side
    5,226.60x = 24,102,861.90
  5. Step 5: Solve for x
    x = 24,102,861.90/5,226.60
  6. Step 6: Final answer
    x = 4,611.58

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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.