Home / 2,718.06-4,068.43-2,164.02

Finding the Fourth Proportional to 2,718.06, 4,068.43 and 2,164.02

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Solution

The fourth proportional to 2,718.06, 4,068.43 and 2,164.02 is: 3,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.06 : 4,068.43 = 2,164.02 : x
  2. Step 2: Convert to fraction form
    2,718.06/4,068.43 = 2,164.02/x
  3. Step 3: Cross multiply
    2,718.06x = 4,068.43 × 2,164.02
  4. Step 4: Simplify right side
    2,718.06x = 8,804,143.22
  5. Step 5: Solve for x
    x = 8,804,143.22/2,718.06
  6. Step 6: Final answer
    x = 3,239.13

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Why These Related Problems?

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