Home / 1,843.22-2,543.49-1,057.10

Finding the Fourth Proportional to 1,843.22, 2,543.49 and 1,057.10

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Solution

The fourth proportional to 1,843.22, 2,543.49 and 1,057.10 is: 1,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843.22 : 2,543.49 = 1,057.10 : x
  2. Step 2: Convert to fraction form
    1,843.22/2,543.49 = 1,057.10/x
  3. Step 3: Cross multiply
    1,843.22x = 2,543.49 × 1,057.10
  4. Step 4: Simplify right side
    1,843.22x = 2,688,723.28
  5. Step 5: Solve for x
    x = 2,688,723.28/1,843.22
  6. Step 6: Final answer
    x = 1,458.71

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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.