Home / 2,568.79-3,854.59-1,088.84

Finding the Fourth Proportional to 2,568.79, 3,854.59 and 1,088.84

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Solution

The fourth proportional to 2,568.79, 3,854.59 and 1,088.84 is: 1,633.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.79 : 3,854.59 = 1,088.84 : x
  2. Step 2: Convert to fraction form
    2,568.79/3,854.59 = 1,088.84/x
  3. Step 3: Cross multiply
    2,568.79x = 3,854.59 × 1,088.84
  4. Step 4: Simplify right side
    2,568.79x = 4,197,044.79
  5. Step 5: Solve for x
    x = 4,197,044.79/2,568.79
  6. Step 6: Final answer
    x = 1,633.86

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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.