Home / 2,909.48-4,015.23-2,704.46

Finding the Fourth Proportional to 2,909.48, 4,015.23 and 2,704.46

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Solution

The fourth proportional to 2,909.48, 4,015.23 and 2,704.46 is: 3,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.48 : 4,015.23 = 2,704.46 : x
  2. Step 2: Convert to fraction form
    2,909.48/4,015.23 = 2,704.46/x
  3. Step 3: Cross multiply
    2,909.48x = 4,015.23 × 2,704.46
  4. Step 4: Simplify right side
    2,909.48x = 10,859,028.93
  5. Step 5: Solve for x
    x = 10,859,028.93/2,909.48
  6. Step 6: Final answer
    x = 3,732.29

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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.