Home / 7,025.28-10,531.71-2,642.91

Finding the Fourth Proportional to 7,025.28, 10,531.71 and 2,642.91

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Solution

The fourth proportional to 7,025.28, 10,531.71 and 2,642.91 is: 3,962.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.28 : 10,531.71 = 2,642.91 : x
  2. Step 2: Convert to fraction form
    7,025.28/10,531.71 = 2,642.91/x
  3. Step 3: Cross multiply
    7,025.28x = 10,531.71 × 2,642.91
  4. Step 4: Simplify right side
    7,025.28x = 27,834,361.68
  5. Step 5: Solve for x
    x = 27,834,361.68/7,025.28
  6. Step 6: Final answer
    x = 3,962.03

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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.