Home / 1,883.76-2,811.93-1,729.68

Finding the Fourth Proportional to 1,883.76, 2,811.93 and 1,729.68

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Solution

The fourth proportional to 1,883.76, 2,811.93 and 1,729.68 is: 2,581.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.76 : 2,811.93 = 1,729.68 : x
  2. Step 2: Convert to fraction form
    1,883.76/2,811.93 = 1,729.68/x
  3. Step 3: Cross multiply
    1,883.76x = 2,811.93 × 1,729.68
  4. Step 4: Simplify right side
    1,883.76x = 4,863,739.08
  5. Step 5: Solve for x
    x = 4,863,739.08/1,883.76
  6. Step 6: Final answer
    x = 2,581.93

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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.