Home / 2,568.51-3,551.45-2,450.25

Finding the Fourth Proportional to 2,568.51, 3,551.45 and 2,450.25

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Solution

The fourth proportional to 2,568.51, 3,551.45 and 2,450.25 is: 3,387.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.51 : 3,551.45 = 2,450.25 : x
  2. Step 2: Convert to fraction form
    2,568.51/3,551.45 = 2,450.25/x
  3. Step 3: Cross multiply
    2,568.51x = 3,551.45 × 2,450.25
  4. Step 4: Simplify right side
    2,568.51x = 8,701,928.11
  5. Step 5: Solve for x
    x = 8,701,928.11/2,568.51
  6. Step 6: Final answer
    x = 3,387.93

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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.