Home / 5,340.24-7,372.41-3,216.29

Finding the Fourth Proportional to 5,340.24, 7,372.41 and 3,216.29

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Solution

The fourth proportional to 5,340.24, 7,372.41 and 3,216.29 is: 4,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.24 : 7,372.41 = 3,216.29 : x
  2. Step 2: Convert to fraction form
    5,340.24/7,372.41 = 3,216.29/x
  3. Step 3: Cross multiply
    5,340.24x = 7,372.41 × 3,216.29
  4. Step 4: Simplify right side
    5,340.24x = 23,711,771.70
  5. Step 5: Solve for x
    x = 23,711,771.70/5,340.24
  6. Step 6: Final answer
    x = 4,440.21

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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.