Home / 5,475.96-8,209.08-4,087.62

Finding the Fourth Proportional to 5,475.96, 8,209.08 and 4,087.62

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Solution

The fourth proportional to 5,475.96, 8,209.08 and 4,087.62 is: 6,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.96 : 8,209.08 = 4,087.62 : x
  2. Step 2: Convert to fraction form
    5,475.96/8,209.08 = 4,087.62/x
  3. Step 3: Cross multiply
    5,475.96x = 8,209.08 × 4,087.62
  4. Step 4: Simplify right side
    5,475.96x = 33,555,599.59
  5. Step 5: Solve for x
    x = 33,555,599.59/5,475.96
  6. Step 6: Final answer
    x = 6,127.80

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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.