Home / 5,646.93-8,462.84-3,180.75

Finding the Fourth Proportional to 5,646.93, 8,462.84 and 3,180.75

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Solution

The fourth proportional to 5,646.93, 8,462.84 and 3,180.75 is: 4,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.93 : 8,462.84 = 3,180.75 : x
  2. Step 2: Convert to fraction form
    5,646.93/8,462.84 = 3,180.75/x
  3. Step 3: Cross multiply
    5,646.93x = 8,462.84 × 3,180.75
  4. Step 4: Simplify right side
    5,646.93x = 26,918,162.43
  5. Step 5: Solve for x
    x = 26,918,162.43/5,646.93
  6. Step 6: Final answer
    x = 4,766.87

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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.