Home / 3,243.05-4,469.16-2,357.45

Finding the Fourth Proportional to 3,243.05, 4,469.16 and 2,357.45

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Solution

The fourth proportional to 3,243.05, 4,469.16 and 2,357.45 is: 3,248.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,243.05 : 4,469.16 = 2,357.45 : x
  2. Step 2: Convert to fraction form
    3,243.05/4,469.16 = 2,357.45/x
  3. Step 3: Cross multiply
    3,243.05x = 4,469.16 × 2,357.45
  4. Step 4: Simplify right side
    3,243.05x = 10,535,787.11
  5. Step 5: Solve for x
    x = 10,535,787.11/3,243.05
  6. Step 6: Final answer
    x = 3,248.73

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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.