Home / 3,966.19-5,473.31-2,287.58

Finding the Fourth Proportional to 3,966.19, 5,473.31 and 2,287.58

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Solution

The fourth proportional to 3,966.19, 5,473.31 and 2,287.58 is: 3,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.19 : 5,473.31 = 2,287.58 : x
  2. Step 2: Convert to fraction form
    3,966.19/5,473.31 = 2,287.58/x
  3. Step 3: Cross multiply
    3,966.19x = 5,473.31 × 2,287.58
  4. Step 4: Simplify right side
    3,966.19x = 12,520,634.49
  5. Step 5: Solve for x
    x = 12,520,634.49/3,966.19
  6. Step 6: Final answer
    x = 3,156.84

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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.