Home / 2,056.27-2,838.59-1,311.25

Finding the Fourth Proportional to 2,056.27, 2,838.59 and 1,311.25

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Solution

The fourth proportional to 2,056.27, 2,838.59 and 1,311.25 is: 1,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.27 : 2,838.59 = 1,311.25 : x
  2. Step 2: Convert to fraction form
    2,056.27/2,838.59 = 1,311.25/x
  3. Step 3: Cross multiply
    2,056.27x = 2,838.59 × 1,311.25
  4. Step 4: Simplify right side
    2,056.27x = 3,722,101.14
  5. Step 5: Solve for x
    x = 3,722,101.14/2,056.27
  6. Step 6: Final answer
    x = 1,810.12

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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.