Home / 2,727.13-4,090.69-675.13

Finding the Fourth Proportional to 2,727.13, 4,090.69 and 675.13

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Solution

The fourth proportional to 2,727.13, 4,090.69 and 675.13 is: 1,012.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.13 : 4,090.69 = 675.13 : x
  2. Step 2: Convert to fraction form
    2,727.13/4,090.69 = 675.13/x
  3. Step 3: Cross multiply
    2,727.13x = 4,090.69 × 675.13
  4. Step 4: Simplify right side
    2,727.13x = 2,761,725.40
  5. Step 5: Solve for x
    x = 2,761,725.40/2,727.13
  6. Step 6: Final answer
    x = 1,012.69

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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.