Home / 1,876.64-2,589.52-1,090.56

Finding the Fourth Proportional to 1,876.64, 2,589.52 and 1,090.56

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Solution

The fourth proportional to 1,876.64, 2,589.52 and 1,090.56 is: 1,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876.64 : 2,589.52 = 1,090.56 : x
  2. Step 2: Convert to fraction form
    1,876.64/2,589.52 = 1,090.56/x
  3. Step 3: Cross multiply
    1,876.64x = 2,589.52 × 1,090.56
  4. Step 4: Simplify right side
    1,876.64x = 2,824,026.93
  5. Step 5: Solve for x
    x = 2,824,026.93/1,876.64
  6. Step 6: Final answer
    x = 1,504.83

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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.