Home / 3,242.13-4,475.82-2,185.44

Finding the Fourth Proportional to 3,242.13, 4,475.82 and 2,185.44

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Solution

The fourth proportional to 3,242.13, 4,475.82 and 2,185.44 is: 3,017.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.13 : 4,475.82 = 2,185.44 : x
  2. Step 2: Convert to fraction form
    3,242.13/4,475.82 = 2,185.44/x
  3. Step 3: Cross multiply
    3,242.13x = 4,475.82 × 2,185.44
  4. Step 4: Simplify right side
    3,242.13x = 9,781,636.06
  5. Step 5: Solve for x
    x = 9,781,636.06/3,242.13
  6. Step 6: Final answer
    x = 3,017.04

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1.5x scale

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.