Home / 4,254.87-6,374.01-2,789.58

Finding the Fourth Proportional to 4,254.87, 6,374.01 and 2,789.58

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Solution

The fourth proportional to 4,254.87, 6,374.01 and 2,789.58 is: 4,178.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,254.87 : 6,374.01 = 2,789.58 : x
  2. Step 2: Convert to fraction form
    4,254.87/6,374.01 = 2,789.58/x
  3. Step 3: Cross multiply
    4,254.87x = 6,374.01 × 2,789.58
  4. Step 4: Simplify right side
    4,254.87x = 17,780,810.82
  5. Step 5: Solve for x
    x = 17,780,810.82/4,254.87
  6. Step 6: Final answer
    x = 4,178.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.