Home / 3,168.28-4,750.26-1,869.04

Finding the Fourth Proportional to 3,168.28, 4,750.26 and 1,869.04

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Solution

The fourth proportional to 3,168.28, 4,750.26 and 1,869.04 is: 2,802.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.28 : 4,750.26 = 1,869.04 : x
  2. Step 2: Convert to fraction form
    3,168.28/4,750.26 = 1,869.04/x
  3. Step 3: Cross multiply
    3,168.28x = 4,750.26 × 1,869.04
  4. Step 4: Simplify right side
    3,168.28x = 8,878,425.95
  5. Step 5: Solve for x
    x = 8,878,425.95/3,168.28
  6. Step 6: Final answer
    x = 2,802.29

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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.