Home / 4,113.59-6,171.39-1,191.92

Finding the Fourth Proportional to 4,113.59, 6,171.39 and 1,191.92

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Solution

The fourth proportional to 4,113.59, 6,171.39 and 1,191.92 is: 1,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.59 : 6,171.39 = 1,191.92 : x
  2. Step 2: Convert to fraction form
    4,113.59/6,171.39 = 1,191.92/x
  3. Step 3: Cross multiply
    4,113.59x = 6,171.39 × 1,191.92
  4. Step 4: Simplify right side
    4,113.59x = 7,355,772.31
  5. Step 5: Solve for x
    x = 7,355,772.31/4,113.59
  6. Step 6: Final answer
    x = 1,788.17

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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.