Home / 2,056.33-2,837.76-1,172.17

Finding the Fourth Proportional to 2,056.33, 2,837.76 and 1,172.17

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Solution

The fourth proportional to 2,056.33, 2,837.76 and 1,172.17 is: 1,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,056.33 : 2,837.76 = 1,172.17 : x
  2. Step 2: Convert to fraction form
    2,056.33/2,837.76 = 1,172.17/x
  3. Step 3: Cross multiply
    2,056.33x = 2,837.76 × 1,172.17
  4. Step 4: Simplify right side
    2,056.33x = 3,326,337.14
  5. Step 5: Solve for x
    x = 3,326,337.14/2,056.33
  6. Step 6: Final answer
    x = 1,617.61

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1.5x scale

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.