Home / 1,884.12-2,825.40-713.94

Finding the Fourth Proportional to 1,884.12, 2,825.40 and 713.94

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Solution

The fourth proportional to 1,884.12, 2,825.40 and 713.94 is: 1,070.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.12 : 2,825.40 = 713.94 : x
  2. Step 2: Convert to fraction form
    1,884.12/2,825.40 = 713.94/x
  3. Step 3: Cross multiply
    1,884.12x = 2,825.40 × 713.94
  4. Step 4: Simplify right side
    1,884.12x = 2,017,166.08
  5. Step 5: Solve for x
    x = 2,017,166.08/1,884.12
  6. Step 6: Final answer
    x = 1,070.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.