Home / 2,156.29-2,975.82-1,449.31

Finding the Fourth Proportional to 2,156.29, 2,975.82 and 1,449.31

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Solution

The fourth proportional to 2,156.29, 2,975.82 and 1,449.31 is: 2,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156.29 : 2,975.82 = 1,449.31 : x
  2. Step 2: Convert to fraction form
    2,156.29/2,975.82 = 1,449.31/x
  3. Step 3: Cross multiply
    2,156.29x = 2,975.82 × 1,449.31
  4. Step 4: Simplify right side
    2,156.29x = 4,312,885.68
  5. Step 5: Solve for x
    x = 4,312,885.68/2,156.29
  6. Step 6: Final answer
    x = 2,000.14

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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.