Home / 3,282.90-4,920.02-1,334.04

Finding the Fourth Proportional to 3,282.90, 4,920.02 and 1,334.04

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Solution

The fourth proportional to 3,282.90, 4,920.02 and 1,334.04 is: 1,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.90 : 4,920.02 = 1,334.04 : x
  2. Step 2: Convert to fraction form
    3,282.90/4,920.02 = 1,334.04/x
  3. Step 3: Cross multiply
    3,282.90x = 4,920.02 × 1,334.04
  4. Step 4: Simplify right side
    3,282.90x = 6,563,483.36
  5. Step 5: Solve for x
    x = 6,563,483.36/3,282.90
  6. Step 6: Final answer
    x = 1,999.30

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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.