Home / 1,805.04-2,489.76-1,568.64

Finding the Fourth Proportional to 1,805.04, 2,489.76 and 1,568.64

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Solution

The fourth proportional to 1,805.04, 2,489.76 and 1,568.64 is: 2,163.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805.04 : 2,489.76 = 1,568.64 : x
  2. Step 2: Convert to fraction form
    1,805.04/2,489.76 = 1,568.64/x
  3. Step 3: Cross multiply
    1,805.04x = 2,489.76 × 1,568.64
  4. Step 4: Simplify right side
    1,805.04x = 3,905,537.13
  5. Step 5: Solve for x
    x = 3,905,537.13/1,805.04
  6. Step 6: Final answer
    x = 2,163.68

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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.