Home / 4,046.31-6,068.39-1,124.78

Finding the Fourth Proportional to 4,046.31, 6,068.39 and 1,124.78

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Solution

The fourth proportional to 4,046.31, 6,068.39 and 1,124.78 is: 1,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,046.31 : 6,068.39 = 1,124.78 : x
  2. Step 2: Convert to fraction form
    4,046.31/6,068.39 = 1,124.78/x
  3. Step 3: Cross multiply
    4,046.31x = 6,068.39 × 1,124.78
  4. Step 4: Simplify right side
    4,046.31x = 6,825,567.74
  5. Step 5: Solve for x
    x = 6,825,567.74/4,046.31
  6. Step 6: Final answer
    x = 1,686.86

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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.