Home / 2,131.04-2,934.70-1,829.86

Finding the Fourth Proportional to 2,131.04, 2,934.70 and 1,829.86

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Solution

The fourth proportional to 2,131.04, 2,934.70 and 1,829.86 is: 2,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131.04 : 2,934.70 = 1,829.86 : x
  2. Step 2: Convert to fraction form
    2,131.04/2,934.70 = 1,829.86/x
  3. Step 3: Cross multiply
    2,131.04x = 2,934.70 × 1,829.86
  4. Step 4: Simplify right side
    2,131.04x = 5,370,078.23
  5. Step 5: Solve for x
    x = 5,370,078.23/2,131.04
  6. Step 6: Final answer
    x = 2,519.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.