Home / 3,404.11-4,698.18-2,078.58

Finding the Fourth Proportional to 3,404.11, 4,698.18 and 2,078.58

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Solution

The fourth proportional to 3,404.11, 4,698.18 and 2,078.58 is: 2,868.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.11 : 4,698.18 = 2,078.58 : x
  2. Step 2: Convert to fraction form
    3,404.11/4,698.18 = 2,078.58/x
  3. Step 3: Cross multiply
    3,404.11x = 4,698.18 × 2,078.58
  4. Step 4: Simplify right side
    3,404.11x = 9,765,535.19
  5. Step 5: Solve for x
    x = 9,765,535.19/3,404.11
  6. Step 6: Final answer
    x = 2,868.75

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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.