Home / 2,056.29-2,837.70-1,172.07

Finding the Fourth Proportional to 2,056.29, 2,837.70 and 1,172.07

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Solution

The fourth proportional to 2,056.29, 2,837.70 and 1,172.07 is: 1,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.29 : 2,837.70 = 1,172.07 : x
  2. Step 2: Convert to fraction form
    2,056.29/2,837.70 = 1,172.07/x
  3. Step 3: Cross multiply
    2,056.29x = 2,837.70 × 1,172.07
  4. Step 4: Simplify right side
    2,056.29x = 3,325,983.04
  5. Step 5: Solve for x
    x = 3,325,983.04/2,056.29
  6. Step 6: Final answer
    x = 1,617.47

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Why These Related Problems?

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