Home / 5,191.24-7,160.68-3,395.84

Finding the Fourth Proportional to 5,191.24, 7,160.68 and 3,395.84

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Solution

The fourth proportional to 5,191.24, 7,160.68 and 3,395.84 is: 4,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.24 : 7,160.68 = 3,395.84 : x
  2. Step 2: Convert to fraction form
    5,191.24/7,160.68 = 3,395.84/x
  3. Step 3: Cross multiply
    5,191.24x = 7,160.68 × 3,395.84
  4. Step 4: Simplify right side
    5,191.24x = 24,316,523.57
  5. Step 5: Solve for x
    x = 24,316,523.57/5,191.24
  6. Step 6: Final answer
    x = 4,684.15

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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.