Home / 6,787.40-10,179.95-2,403.81

Finding the Fourth Proportional to 6,787.40, 10,179.95 and 2,403.81

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Solution

The fourth proportional to 6,787.40, 10,179.95 and 2,403.81 is: 3,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,787.40 : 10,179.95 = 2,403.81 : x
  2. Step 2: Convert to fraction form
    6,787.40/10,179.95 = 2,403.81/x
  3. Step 3: Cross multiply
    6,787.40x = 10,179.95 × 2,403.81
  4. Step 4: Simplify right side
    6,787.40x = 24,470,653.59
  5. Step 5: Solve for x
    x = 24,470,653.59/6,787.40
  6. Step 6: Final answer
    x = 3,605.31

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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.