Home / 1,842.22-2,541.56-1,178.96

Finding the Fourth Proportional to 1,842.22, 2,541.56 and 1,178.96

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Solution

The fourth proportional to 1,842.22, 2,541.56 and 1,178.96 is: 1,626.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.22 : 2,541.56 = 1,178.96 : x
  2. Step 2: Convert to fraction form
    1,842.22/2,541.56 = 1,178.96/x
  3. Step 3: Cross multiply
    1,842.22x = 2,541.56 × 1,178.96
  4. Step 4: Simplify right side
    1,842.22x = 2,996,397.58
  5. Step 5: Solve for x
    x = 2,996,397.58/1,842.22
  6. Step 6: Final answer
    x = 1,626.52

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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.