Home / 3,732.48-5,149.76-2,406.64

Finding the Fourth Proportional to 3,732.48, 5,149.76 and 2,406.64

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Solution

The fourth proportional to 3,732.48, 5,149.76 and 2,406.64 is: 3,320.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.48 : 5,149.76 = 2,406.64 : x
  2. Step 2: Convert to fraction form
    3,732.48/5,149.76 = 2,406.64/x
  3. Step 3: Cross multiply
    3,732.48x = 5,149.76 × 2,406.64
  4. Step 4: Simplify right side
    3,732.48x = 12,393,618.41
  5. Step 5: Solve for x
    x = 12,393,618.41/3,732.48
  6. Step 6: Final answer
    x = 3,320.48

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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.