Home / 4,909.19-7,358.16-2,438.49

Finding the Fourth Proportional to 4,909.19, 7,358.16 and 2,438.49

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Solution

The fourth proportional to 4,909.19, 7,358.16 and 2,438.49 is: 3,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.19 : 7,358.16 = 2,438.49 : x
  2. Step 2: Convert to fraction form
    4,909.19/7,358.16 = 2,438.49/x
  3. Step 3: Cross multiply
    4,909.19x = 7,358.16 × 2,438.49
  4. Step 4: Simplify right side
    4,909.19x = 17,942,799.58
  5. Step 5: Solve for x
    x = 17,942,799.58/4,909.19
  6. Step 6: Final answer
    x = 3,654.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.