Home / 1,991.16-2,746.44-1,825.92

Finding the Fourth Proportional to 1,991.16, 2,746.44 and 1,825.92

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Solution

The fourth proportional to 1,991.16, 2,746.44 and 1,825.92 is: 2,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991.16 : 2,746.44 = 1,825.92 : x
  2. Step 2: Convert to fraction form
    1,991.16/2,746.44 = 1,825.92/x
  3. Step 3: Cross multiply
    1,991.16x = 2,746.44 × 1,825.92
  4. Step 4: Simplify right side
    1,991.16x = 5,014,779.72
  5. Step 5: Solve for x
    x = 5,014,779.72/1,991.16
  6. Step 6: Final answer
    x = 2,518.52

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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.