Home / 2,186.36-3,266.75-2,109.82

Finding the Fourth Proportional to 2,186.36, 3,266.75 and 2,109.82

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Solution

The fourth proportional to 2,186.36, 3,266.75 and 2,109.82 is: 3,152.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.36 : 3,266.75 = 2,109.82 : x
  2. Step 2: Convert to fraction form
    2,186.36/3,266.75 = 2,109.82/x
  3. Step 3: Cross multiply
    2,186.36x = 3,266.75 × 2,109.82
  4. Step 4: Simplify right side
    2,186.36x = 6,892,254.49
  5. Step 5: Solve for x
    x = 6,892,254.49/2,186.36
  6. Step 6: Final answer
    x = 3,152.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.