Home / 5,193.21-7,164.58-3,200.30

Finding the Fourth Proportional to 5,193.21, 7,164.58 and 3,200.30

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Solution

The fourth proportional to 5,193.21, 7,164.58 and 3,200.30 is: 4,415.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,193.21 : 7,164.58 = 3,200.30 : x
  2. Step 2: Convert to fraction form
    5,193.21/7,164.58 = 3,200.30/x
  3. Step 3: Cross multiply
    5,193.21x = 7,164.58 × 3,200.30
  4. Step 4: Simplify right side
    5,193.21x = 22,928,753.55
  5. Step 5: Solve for x
    x = 22,928,753.55/5,193.21
  6. Step 6: Final answer
    x = 4,415.14

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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.