Home / 4,645.49-6,408.52-3,074.90

Finding the Fourth Proportional to 4,645.49, 6,408.52 and 3,074.90

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Solution

The fourth proportional to 4,645.49, 6,408.52 and 3,074.90 is: 4,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.49 : 6,408.52 = 3,074.90 : x
  2. Step 2: Convert to fraction form
    4,645.49/6,408.52 = 3,074.90/x
  3. Step 3: Cross multiply
    4,645.49x = 6,408.52 × 3,074.90
  4. Step 4: Simplify right side
    4,645.49x = 19,705,518.42
  5. Step 5: Solve for x
    x = 19,705,518.42/4,645.49
  6. Step 6: Final answer
    x = 4,241.86

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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.