Home / 3,082.51-4,619.79-2,685.58

Finding the Fourth Proportional to 3,082.51, 4,619.79 and 2,685.58

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Solution

The fourth proportional to 3,082.51, 4,619.79 and 2,685.58 is: 4,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.51 : 4,619.79 = 2,685.58 : x
  2. Step 2: Convert to fraction form
    3,082.51/4,619.79 = 2,685.58/x
  3. Step 3: Cross multiply
    3,082.51x = 4,619.79 × 2,685.58
  4. Step 4: Simplify right side
    3,082.51x = 12,406,815.63
  5. Step 5: Solve for x
    x = 12,406,815.63/3,082.51
  6. Step 6: Final answer
    x = 4,024.91

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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.