Home / 1,843.29-2,536.11-1,398.60

Finding the Fourth Proportional to 1,843.29, 2,536.11 and 1,398.60

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Solution

The fourth proportional to 1,843.29, 2,536.11 and 1,398.60 is: 1,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.29 : 2,536.11 = 1,398.60 : x
  2. Step 2: Convert to fraction form
    1,843.29/2,536.11 = 1,398.60/x
  3. Step 3: Cross multiply
    1,843.29x = 2,536.11 × 1,398.60
  4. Step 4: Simplify right side
    1,843.29x = 3,547,003.45
  5. Step 5: Solve for x
    x = 3,547,003.45/1,843.29
  6. Step 6: Final answer
    x = 1,924.28

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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.