Home / 5,913.57-8,160.91-3,396.19

Finding the Fourth Proportional to 5,913.57, 8,160.91 and 3,396.19

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Solution

The fourth proportional to 5,913.57, 8,160.91 and 3,396.19 is: 4,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.57 : 8,160.91 = 3,396.19 : x
  2. Step 2: Convert to fraction form
    5,913.57/8,160.91 = 3,396.19/x
  3. Step 3: Cross multiply
    5,913.57x = 8,160.91 × 3,396.19
  4. Step 4: Simplify right side
    5,913.57x = 27,716,022.70
  5. Step 5: Solve for x
    x = 27,716,022.70/5,913.57
  6. Step 6: Final answer
    x = 4,686.85

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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.