Home / 2,186.24-2,996.38-2,161.64

Finding the Fourth Proportional to 2,186.24, 2,996.38 and 2,161.64

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Solution

The fourth proportional to 2,186.24, 2,996.38 and 2,161.64 is: 2,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.24 : 2,996.38 = 2,161.64 : x
  2. Step 2: Convert to fraction form
    2,186.24/2,996.38 = 2,161.64/x
  3. Step 3: Cross multiply
    2,186.24x = 2,996.38 × 2,161.64
  4. Step 4: Simplify right side
    2,186.24x = 6,477,085.16
  5. Step 5: Solve for x
    x = 6,477,085.16/2,186.24
  6. Step 6: Final answer
    x = 2,962.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.