Home / 5,778.90-8,655.39-4,476.42

Finding the Fourth Proportional to 5,778.90, 8,655.39 and 4,476.42

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Solution

The fourth proportional to 5,778.90, 8,655.39 and 4,476.42 is: 6,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,778.90 : 8,655.39 = 4,476.42 : x
  2. Step 2: Convert to fraction form
    5,778.90/8,655.39 = 4,476.42/x
  3. Step 3: Cross multiply
    5,778.90x = 8,655.39 × 4,476.42
  4. Step 4: Simplify right side
    5,778.90x = 38,745,160.90
  5. Step 5: Solve for x
    x = 38,745,160.90/5,778.90
  6. Step 6: Final answer
    x = 6,704.59

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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.