Home / 5,477.12-8,213.58-4,309.42

Finding the Fourth Proportional to 5,477.12, 8,213.58 and 4,309.42

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Solution

The fourth proportional to 5,477.12, 8,213.58 and 4,309.42 is: 6,462.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,477.12 : 8,213.58 = 4,309.42 : x
  2. Step 2: Convert to fraction form
    5,477.12/8,213.58 = 4,309.42/x
  3. Step 3: Cross multiply
    5,477.12x = 8,213.58 × 4,309.42
  4. Step 4: Simplify right side
    5,477.12x = 35,395,765.92
  5. Step 5: Solve for x
    x = 35,395,765.92/5,477.12
  6. Step 6: Final answer
    x = 6,462.48

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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.