Home / 3,561.62-4,915.05-2,070.41

Finding the Fourth Proportional to 3,561.62, 4,915.05 and 2,070.41

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Solution

The fourth proportional to 3,561.62, 4,915.05 and 2,070.41 is: 2,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.62 : 4,915.05 = 2,070.41 : x
  2. Step 2: Convert to fraction form
    3,561.62/4,915.05 = 2,070.41/x
  3. Step 3: Cross multiply
    3,561.62x = 4,915.05 × 2,070.41
  4. Step 4: Simplify right side
    3,561.62x = 10,176,168.67
  5. Step 5: Solve for x
    x = 10,176,168.67/3,561.62
  6. Step 6: Final answer
    x = 2,857.17

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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.