Home / 2,186.77-3,017.66-1,192.02

Finding the Fourth Proportional to 2,186.77, 3,017.66 and 1,192.02

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Solution

The fourth proportional to 2,186.77, 3,017.66 and 1,192.02 is: 1,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.77 : 3,017.66 = 1,192.02 : x
  2. Step 2: Convert to fraction form
    2,186.77/3,017.66 = 1,192.02/x
  3. Step 3: Cross multiply
    2,186.77x = 3,017.66 × 1,192.02
  4. Step 4: Simplify right side
    2,186.77x = 3,597,105.11
  5. Step 5: Solve for x
    x = 3,597,105.11/2,186.77
  6. Step 6: Final answer
    x = 1,644.94

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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.