Home / 3,641.55-5,449.78-2,235.04

Finding the Fourth Proportional to 3,641.55, 5,449.78 and 2,235.04

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Solution

The fourth proportional to 3,641.55, 5,449.78 and 2,235.04 is: 3,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,641.55 : 5,449.78 = 2,235.04 : x
  2. Step 2: Convert to fraction form
    3,641.55/5,449.78 = 2,235.04/x
  3. Step 3: Cross multiply
    3,641.55x = 5,449.78 × 2,235.04
  4. Step 4: Simplify right side
    3,641.55x = 12,180,462.67
  5. Step 5: Solve for x
    x = 12,180,462.67/3,641.55
  6. Step 6: Final answer
    x = 3,344.85

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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.