Home / 6,241.12-8,612.88-3,447.04

Finding the Fourth Proportional to 6,241.12, 8,612.88 and 3,447.04

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Solution

The fourth proportional to 6,241.12, 8,612.88 and 3,447.04 is: 4,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,241.12 : 8,612.88 = 3,447.04 : x
  2. Step 2: Convert to fraction form
    6,241.12/8,612.88 = 3,447.04/x
  3. Step 3: Cross multiply
    6,241.12x = 8,612.88 × 3,447.04
  4. Step 4: Simplify right side
    6,241.12x = 29,688,941.88
  5. Step 5: Solve for x
    x = 29,688,941.88/6,241.12
  6. Step 6: Final answer
    x = 4,756.99

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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.