Home / 2,742.68-4,092.93-2,451.08

Finding the Fourth Proportional to 2,742.68, 4,092.93 and 2,451.08

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Solution

The fourth proportional to 2,742.68, 4,092.93 and 2,451.08 is: 3,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.68 : 4,092.93 = 2,451.08 : x
  2. Step 2: Convert to fraction form
    2,742.68/4,092.93 = 2,451.08/x
  3. Step 3: Cross multiply
    2,742.68x = 4,092.93 × 2,451.08
  4. Step 4: Simplify right side
    2,742.68x = 10,032,098.86
  5. Step 5: Solve for x
    x = 10,032,098.86/2,742.68
  6. Step 6: Final answer
    x = 3,657.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.