Home / 3,025.20-4,174.90-1,698.92

Finding the Fourth Proportional to 3,025.20, 4,174.90 and 1,698.92

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Solution

The fourth proportional to 3,025.20, 4,174.90 and 1,698.92 is: 2,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.20 : 4,174.90 = 1,698.92 : x
  2. Step 2: Convert to fraction form
    3,025.20/4,174.90 = 1,698.92/x
  3. Step 3: Cross multiply
    3,025.20x = 4,174.90 × 1,698.92
  4. Step 4: Simplify right side
    3,025.20x = 7,092,821.11
  5. Step 5: Solve for x
    x = 7,092,821.11/3,025.20
  6. Step 6: Final answer
    x = 2,344.58

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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.