Home / 2,101.18-3,153.73-1,061.92

Finding the Fourth Proportional to 2,101.18, 3,153.73 and 1,061.92

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Solution

The fourth proportional to 2,101.18, 3,153.73 and 1,061.92 is: 1,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.18 : 3,153.73 = 1,061.92 : x
  2. Step 2: Convert to fraction form
    2,101.18/3,153.73 = 1,061.92/x
  3. Step 3: Cross multiply
    2,101.18x = 3,153.73 × 1,061.92
  4. Step 4: Simplify right side
    2,101.18x = 3,349,000.38
  5. Step 5: Solve for x
    x = 3,349,000.38/2,101.18
  6. Step 6: Final answer
    x = 1,593.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.