Home / 3,104.17-4,283.83-1,687.94

Finding the Fourth Proportional to 3,104.17, 4,283.83 and 1,687.94

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Solution

The fourth proportional to 3,104.17, 4,283.83 and 1,687.94 is: 2,329.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.17 : 4,283.83 = 1,687.94 : x
  2. Step 2: Convert to fraction form
    3,104.17/4,283.83 = 1,687.94/x
  3. Step 3: Cross multiply
    3,104.17x = 4,283.83 × 1,687.94
  4. Step 4: Simplify right side
    3,104.17x = 7,230,848.01
  5. Step 5: Solve for x
    x = 7,230,848.01/3,104.17
  6. Step 6: Final answer
    x = 2,329.40

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1.5x scale

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.