Home / 3,681.25-5,080.16-2,002.66

Finding the Fourth Proportional to 3,681.25, 5,080.16 and 2,002.66

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Solution

The fourth proportional to 3,681.25, 5,080.16 and 2,002.66 is: 2,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.25 : 5,080.16 = 2,002.66 : x
  2. Step 2: Convert to fraction form
    3,681.25/5,080.16 = 2,002.66/x
  3. Step 3: Cross multiply
    3,681.25x = 5,080.16 × 2,002.66
  4. Step 4: Simplify right side
    3,681.25x = 10,173,825.53
  5. Step 5: Solve for x
    x = 10,173,825.53/3,681.25
  6. Step 6: Final answer
    x = 2,763.69

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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.