Home / 2,849.04-3,930.12-2,061.72

Finding the Fourth Proportional to 2,849.04, 3,930.12 and 2,061.72

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Solution

The fourth proportional to 2,849.04, 3,930.12 and 2,061.72 is: 2,844.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.04 : 3,930.12 = 2,061.72 : x
  2. Step 2: Convert to fraction form
    2,849.04/3,930.12 = 2,061.72/x
  3. Step 3: Cross multiply
    2,849.04x = 3,930.12 × 2,061.72
  4. Step 4: Simplify right side
    2,849.04x = 8,102,807.01
  5. Step 5: Solve for x
    x = 8,102,807.01/2,849.04
  6. Step 6: Final answer
    x = 2,844.05

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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.