Home / 1,848.11-2,549.18-1,279.96

Finding the Fourth Proportional to 1,848.11, 2,549.18 and 1,279.96

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Solution

The fourth proportional to 1,848.11, 2,549.18 and 1,279.96 is: 1,765.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.11 : 2,549.18 = 1,279.96 : x
  2. Step 2: Convert to fraction form
    1,848.11/2,549.18 = 1,279.96/x
  3. Step 3: Cross multiply
    1,848.11x = 2,549.18 × 1,279.96
  4. Step 4: Simplify right side
    1,848.11x = 3,262,845.26
  5. Step 5: Solve for x
    x = 3,262,845.26/1,848.11
  6. Step 6: Final answer
    x = 1,765.51

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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.