Home / 6,231.20-8,598.90-3,436.64

Finding the Fourth Proportional to 6,231.20, 8,598.90 and 3,436.64

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Solution

The fourth proportional to 6,231.20, 8,598.90 and 3,436.64 is: 4,742.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.20 : 8,598.90 = 3,436.64 : x
  2. Step 2: Convert to fraction form
    6,231.20/8,598.90 = 3,436.64/x
  3. Step 3: Cross multiply
    6,231.20x = 8,598.90 × 3,436.64
  4. Step 4: Simplify right side
    6,231.20x = 29,551,323.70
  5. Step 5: Solve for x
    x = 29,551,323.70/6,231.20
  6. Step 6: Final answer
    x = 4,742.48

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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.