Home / 3,132.47-4,694.62-2,801.45

Finding the Fourth Proportional to 3,132.47, 4,694.62 and 2,801.45

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Solution

The fourth proportional to 3,132.47, 4,694.62 and 2,801.45 is: 4,198.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.47 : 4,694.62 = 2,801.45 : x
  2. Step 2: Convert to fraction form
    3,132.47/4,694.62 = 2,801.45/x
  3. Step 3: Cross multiply
    3,132.47x = 4,694.62 × 2,801.45
  4. Step 4: Simplify right side
    3,132.47x = 13,151,743.20
  5. Step 5: Solve for x
    x = 13,151,743.20/3,132.47
  6. Step 6: Final answer
    x = 4,198.52

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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.