Home / 5,114.39-7,668.29-2,154.76

Finding the Fourth Proportional to 5,114.39, 7,668.29 and 2,154.76

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Solution

The fourth proportional to 5,114.39, 7,668.29 and 2,154.76 is: 3,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.39 : 7,668.29 = 2,154.76 : x
  2. Step 2: Convert to fraction form
    5,114.39/7,668.29 = 2,154.76/x
  3. Step 3: Cross multiply
    5,114.39x = 7,668.29 × 2,154.76
  4. Step 4: Simplify right side
    5,114.39x = 16,523,310.78
  5. Step 5: Solve for x
    x = 16,523,310.78/5,114.39
  6. Step 6: Final answer
    x = 3,230.75

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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.