Home / 1,859.79-2,566.89-1,073.73

Finding the Fourth Proportional to 1,859.79, 2,566.89 and 1,073.73

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Solution

The fourth proportional to 1,859.79, 2,566.89 and 1,073.73 is: 1,481.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859.79 : 2,566.89 = 1,073.73 : x
  2. Step 2: Convert to fraction form
    1,859.79/2,566.89 = 1,073.73/x
  3. Step 3: Cross multiply
    1,859.79x = 2,566.89 × 1,073.73
  4. Step 4: Simplify right side
    1,859.79x = 2,756,146.80
  5. Step 5: Solve for x
    x = 2,756,146.80/1,859.79
  6. Step 6: Final answer
    x = 1,481.97

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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.