Home / 3,274.10-4,518.31-1,782.02

Finding the Fourth Proportional to 3,274.10, 4,518.31 and 1,782.02

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Solution

The fourth proportional to 3,274.10, 4,518.31 and 1,782.02 is: 2,459.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.10 : 4,518.31 = 1,782.02 : x
  2. Step 2: Convert to fraction form
    3,274.10/4,518.31 = 1,782.02/x
  3. Step 3: Cross multiply
    3,274.10x = 4,518.31 × 1,782.02
  4. Step 4: Simplify right side
    3,274.10x = 8,051,725.63
  5. Step 5: Solve for x
    x = 8,051,725.63/3,274.10
  6. Step 6: Final answer
    x = 2,459.22

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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.