Home / 2,528.38-3,787.53-2,009.26

Finding the Fourth Proportional to 2,528.38, 3,787.53 and 2,009.26

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Solution

The fourth proportional to 2,528.38, 3,787.53 and 2,009.26 is: 3,009.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528.38 : 3,787.53 = 2,009.26 : x
  2. Step 2: Convert to fraction form
    2,528.38/3,787.53 = 2,009.26/x
  3. Step 3: Cross multiply
    2,528.38x = 3,787.53 × 2,009.26
  4. Step 4: Simplify right side
    2,528.38x = 7,610,132.53
  5. Step 5: Solve for x
    x = 7,610,132.53/2,528.38
  6. Step 6: Final answer
    x = 3,009.88

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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.