Home / 5,615.25-7,745.04-4,770.09

Finding the Fourth Proportional to 5,615.25, 7,745.04 and 4,770.09

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Solution

The fourth proportional to 5,615.25, 7,745.04 and 4,770.09 is: 6,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.25 : 7,745.04 = 4,770.09 : x
  2. Step 2: Convert to fraction form
    5,615.25/7,745.04 = 4,770.09/x
  3. Step 3: Cross multiply
    5,615.25x = 7,745.04 × 4,770.09
  4. Step 4: Simplify right side
    5,615.25x = 36,944,537.85
  5. Step 5: Solve for x
    x = 36,944,537.85/5,615.25
  6. Step 6: Final answer
    x = 6,579.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.