Home / 2,966.56-4,093.04-1,787.20

Finding the Fourth Proportional to 2,966.56, 4,093.04 and 1,787.20

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Solution

The fourth proportional to 2,966.56, 4,093.04 and 1,787.20 is: 2,465.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966.56 : 4,093.04 = 1,787.20 : x
  2. Step 2: Convert to fraction form
    2,966.56/4,093.04 = 1,787.20/x
  3. Step 3: Cross multiply
    2,966.56x = 4,093.04 × 1,787.20
  4. Step 4: Simplify right side
    2,966.56x = 7,315,081.09
  5. Step 5: Solve for x
    x = 7,315,081.09/2,966.56
  6. Step 6: Final answer
    x = 2,465.85

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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.