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Finding the Fourth Proportional to 5,910.90, 8,854.20 and 4,064.10

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Solution

The fourth proportional to 5,910.90, 8,854.20 and 4,064.10 is: 6,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.90 : 8,854.20 = 4,064.10 : x
  2. Step 2: Convert to fraction form
    5,910.90/8,854.20 = 4,064.10/x
  3. Step 3: Cross multiply
    5,910.90x = 8,854.20 × 4,064.10
  4. Step 4: Simplify right side
    5,910.90x = 35,984,354.22
  5. Step 5: Solve for x
    x = 35,984,354.22/5,910.90
  6. Step 6: Final answer
    x = 6,087.80

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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.