Home / 3,104.78-4,285.04-2,357.51

Finding the Fourth Proportional to 3,104.78, 4,285.04 and 2,357.51

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Solution

The fourth proportional to 3,104.78, 4,285.04 and 2,357.51 is: 3,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.78 : 4,285.04 = 2,357.51 : x
  2. Step 2: Convert to fraction form
    3,104.78/4,285.04 = 2,357.51/x
  3. Step 3: Cross multiply
    3,104.78x = 4,285.04 × 2,357.51
  4. Step 4: Simplify right side
    3,104.78x = 10,101,991.44
  5. Step 5: Solve for x
    x = 10,101,991.44/3,104.78
  6. Step 6: Final answer
    x = 3,253.70

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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.