Home / 3,698.10-5,542.47-1,617.55

Finding the Fourth Proportional to 3,698.10, 5,542.47 and 1,617.55

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Solution

The fourth proportional to 3,698.10, 5,542.47 and 1,617.55 is: 2,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.10 : 5,542.47 = 1,617.55 : x
  2. Step 2: Convert to fraction form
    3,698.10/5,542.47 = 1,617.55/x
  3. Step 3: Cross multiply
    3,698.10x = 5,542.47 × 1,617.55
  4. Step 4: Simplify right side
    3,698.10x = 8,965,208.49
  5. Step 5: Solve for x
    x = 8,965,208.49/3,698.10
  6. Step 6: Final answer
    x = 2,424.27

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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.