Home / 1,684.11-2,326.62-1,124.37

Finding the Fourth Proportional to 1,684.11, 2,326.62 and 1,124.37

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Solution

The fourth proportional to 1,684.11, 2,326.62 and 1,124.37 is: 1,553.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.11 : 2,326.62 = 1,124.37 : x
  2. Step 2: Convert to fraction form
    1,684.11/2,326.62 = 1,124.37/x
  3. Step 3: Cross multiply
    1,684.11x = 2,326.62 × 1,124.37
  4. Step 4: Simplify right side
    1,684.11x = 2,615,981.73
  5. Step 5: Solve for x
    x = 2,615,981.73/1,684.11
  6. Step 6: Final answer
    x = 1,553.33

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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.