Home / 4,113.99-6,168.96-1,191.51

Finding the Fourth Proportional to 4,113.99, 6,168.96 and 1,191.51

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Solution

The fourth proportional to 4,113.99, 6,168.96 and 1,191.51 is: 1,786.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.99 : 6,168.96 = 1,191.51 : x
  2. Step 2: Convert to fraction form
    4,113.99/6,168.96 = 1,191.51/x
  3. Step 3: Cross multiply
    4,113.99x = 6,168.96 × 1,191.51
  4. Step 4: Simplify right side
    4,113.99x = 7,350,377.53
  5. Step 5: Solve for x
    x = 7,350,377.53/4,113.99
  6. Step 6: Final answer
    x = 1,786.68

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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.