Home / 4,768.13-7,151.31-1,994.04

Finding the Fourth Proportional to 4,768.13, 7,151.31 and 1,994.04

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Solution

The fourth proportional to 4,768.13, 7,151.31 and 1,994.04 is: 2,990.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,768.13 : 7,151.31 = 1,994.04 : x
  2. Step 2: Convert to fraction form
    4,768.13/7,151.31 = 1,994.04/x
  3. Step 3: Cross multiply
    4,768.13x = 7,151.31 × 1,994.04
  4. Step 4: Simplify right side
    4,768.13x = 14,259,998.19
  5. Step 5: Solve for x
    x = 14,259,998.19/4,768.13
  6. Step 6: Final answer
    x = 2,990.69

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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.