Home / 5,655.42-8,481.40-3,911.62

Finding the Fourth Proportional to 5,655.42, 8,481.40 and 3,911.62

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Solution

The fourth proportional to 5,655.42, 8,481.40 and 3,911.62 is: 5,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.42 : 8,481.40 = 3,911.62 : x
  2. Step 2: Convert to fraction form
    5,655.42/8,481.40 = 3,911.62/x
  3. Step 3: Cross multiply
    5,655.42x = 8,481.40 × 3,911.62
  4. Step 4: Simplify right side
    5,655.42x = 33,176,013.87
  5. Step 5: Solve for x
    x = 33,176,013.87/5,655.42
  6. Step 6: Final answer
    x = 5,866.23

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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.