Home / 3,223.02-4,836.32-1,742.21

Finding the Fourth Proportional to 3,223.02, 4,836.32 and 1,742.21

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Solution

The fourth proportional to 3,223.02, 4,836.32 and 1,742.21 is: 2,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.02 : 4,836.32 = 1,742.21 : x
  2. Step 2: Convert to fraction form
    3,223.02/4,836.32 = 1,742.21/x
  3. Step 3: Cross multiply
    3,223.02x = 4,836.32 × 1,742.21
  4. Step 4: Simplify right side
    3,223.02x = 8,425,885.07
  5. Step 5: Solve for x
    x = 8,425,885.07/3,223.02
  6. Step 6: Final answer
    x = 2,614.28

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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.