Home / 1,932.92-2,666.76-1,186.32

Finding the Fourth Proportional to 1,932.92, 2,666.76 and 1,186.32

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Solution

The fourth proportional to 1,932.92, 2,666.76 and 1,186.32 is: 1,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,932.92 : 2,666.76 = 1,186.32 : x
  2. Step 2: Convert to fraction form
    1,932.92/2,666.76 = 1,186.32/x
  3. Step 3: Cross multiply
    1,932.92x = 2,666.76 × 1,186.32
  4. Step 4: Simplify right side
    1,932.92x = 3,163,630.72
  5. Step 5: Solve for x
    x = 3,163,630.72/1,932.92
  6. Step 6: Final answer
    x = 1,636.71

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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.