Home / 5,209.96-7,184.58-4,214.44

Finding the Fourth Proportional to 5,209.96, 7,184.58 and 4,214.44

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Solution

The fourth proportional to 5,209.96, 7,184.58 and 4,214.44 is: 5,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.96 : 7,184.58 = 4,214.44 : x
  2. Step 2: Convert to fraction form
    5,209.96/7,184.58 = 4,214.44/x
  3. Step 3: Cross multiply
    5,209.96x = 7,184.58 × 4,214.44
  4. Step 4: Simplify right side
    5,209.96x = 30,278,981.34
  5. Step 5: Solve for x
    x = 30,278,981.34/5,209.96
  6. Step 6: Final answer
    x = 5,811.75

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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.