Home / 4,674.53-6,447.29-3,311.21

Finding the Fourth Proportional to 4,674.53, 6,447.29 and 3,311.21

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Solution

The fourth proportional to 4,674.53, 6,447.29 and 3,311.21 is: 4,566.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.53 : 6,447.29 = 3,311.21 : x
  2. Step 2: Convert to fraction form
    4,674.53/6,447.29 = 3,311.21/x
  3. Step 3: Cross multiply
    4,674.53x = 6,447.29 × 3,311.21
  4. Step 4: Simplify right side
    4,674.53x = 21,348,282.33
  5. Step 5: Solve for x
    x = 21,348,282.33/4,674.53
  6. Step 6: Final answer
    x = 4,566.94

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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.