Home / 3,933.76-5,904.02-2,086.18

Finding the Fourth Proportional to 3,933.76, 5,904.02 and 2,086.18

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Solution

The fourth proportional to 3,933.76, 5,904.02 and 2,086.18 is: 3,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.76 : 5,904.02 = 2,086.18 : x
  2. Step 2: Convert to fraction form
    3,933.76/5,904.02 = 2,086.18/x
  3. Step 3: Cross multiply
    3,933.76x = 5,904.02 × 2,086.18
  4. Step 4: Simplify right side
    3,933.76x = 12,316,848.44
  5. Step 5: Solve for x
    x = 12,316,848.44/3,933.76
  6. Step 6: Final answer
    x = 3,131.06

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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.