Home / 1,721.08-2,374.65-1,090.48

Finding the Fourth Proportional to 1,721.08, 2,374.65 and 1,090.48

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Solution

The fourth proportional to 1,721.08, 2,374.65 and 1,090.48 is: 1,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.08 : 2,374.65 = 1,090.48 : x
  2. Step 2: Convert to fraction form
    1,721.08/2,374.65 = 1,090.48/x
  3. Step 3: Cross multiply
    1,721.08x = 2,374.65 × 1,090.48
  4. Step 4: Simplify right side
    1,721.08x = 2,589,508.33
  5. Step 5: Solve for x
    x = 2,589,508.33/1,721.08
  6. Step 6: Final answer
    x = 1,504.58

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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.