Home / 2,185.13-3,272.29-2,000.79

Finding the Fourth Proportional to 2,185.13, 3,272.29 and 2,000.79

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Solution

The fourth proportional to 2,185.13, 3,272.29 and 2,000.79 is: 2,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185.13 : 3,272.29 = 2,000.79 : x
  2. Step 2: Convert to fraction form
    2,185.13/3,272.29 = 2,000.79/x
  3. Step 3: Cross multiply
    2,185.13x = 3,272.29 × 2,000.79
  4. Step 4: Simplify right side
    2,185.13x = 6,547,160.11
  5. Step 5: Solve for x
    x = 6,547,160.11/2,185.13
  6. Step 6: Final answer
    x = 2,996.23

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1.5x scale

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.