Home / 6,231.65-8,599.88-3,399.18

Finding the Fourth Proportional to 6,231.65, 8,599.88 and 3,399.18

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Solution

The fourth proportional to 6,231.65, 8,599.88 and 3,399.18 is: 4,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.65 : 8,599.88 = 3,399.18 : x
  2. Step 2: Convert to fraction form
    6,231.65/8,599.88 = 3,399.18/x
  3. Step 3: Cross multiply
    6,231.65x = 8,599.88 × 3,399.18
  4. Step 4: Simplify right side
    6,231.65x = 29,232,523.10
  5. Step 5: Solve for x
    x = 29,232,523.10/6,231.65
  6. Step 6: Final answer
    x = 4,690.98

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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.