Home / 5,416.28-8,119.86-4,934.84

Finding the Fourth Proportional to 5,416.28, 8,119.86 and 4,934.84

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Solution

The fourth proportional to 5,416.28, 8,119.86 and 4,934.84 is: 7,398.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.28 : 8,119.86 = 4,934.84 : x
  2. Step 2: Convert to fraction form
    5,416.28/8,119.86 = 4,934.84/x
  3. Step 3: Cross multiply
    5,416.28x = 8,119.86 × 4,934.84
  4. Step 4: Simplify right side
    5,416.28x = 40,070,209.92
  5. Step 5: Solve for x
    x = 40,070,209.92/5,416.28
  6. Step 6: Final answer
    x = 7,398.11

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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.